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Factoring and Multiples

This category should include questions about greatest common factors and lowest common multiples.

63,380 Questions

What is the common factor of 20x4 and 6x3?

Oh, what a happy little question we have here! The common factor of 20x4 and 6x3 is 2x3. Just like painting a beautiful landscape, finding common factors is all about looking for the elements that both numbers share. Keep up the good work, my friend!

What is the greatest common factor of 27 54 72?

Prime factor each number. Circle the factors that are in all three numbers. Multiply those factors.

27=3x3x3

54=2x3x3

72=2x2x2x3x3

3x3=9 is the GCF

How do you get the number 16 only using 1234?

To get the number 16 using only the digits 1, 2, 3, and 4, you can use the following mathematical expression: (4 x 3) + (2 x 1) = 12 + 4 = 16. This equation involves multiplication and addition, using each of the given digits exactly once.

What can be divided by both 63 and 10?

To find a number that can be divided by both 63 and 10, we need to find the least common multiple (LCM) of the two numbers. The LCM of 63 and 10 is 630. Therefore, any number that is a multiple of 630 can be divided by both 63 and 10.

What are the factors of 32 and 100?

The common factors of 32 and 100 are 1, 2, and 4

What is the three common multiples of 3 4 and 8?

The common multiples of 3, 4, and 8 are numbers that are divisible by all three of these numbers. To find the common multiples, we first list the multiples of each number:
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, ...
Multiples of 4: 4, 8, 12, 16, 20, 24, ...
Multiples of 8: 8, 16, 24, 32, ...
The common multiples of 3, 4, and 8 are 24, 48, and so on, as they are the numbers that appear in the lists of multiples of all three numbers.

What number is prime factorization of 2x2x2x3x5?

Just multiply all these numbers together.

(2 x 2) x 2 x 3 x 5 = 4 x 2 x 3 x 5

(4 x 2) x 3 x 5 = 8 x 3 x 5

(8 x 3) x 5 = 24 x 5 = 120

What number has the prime factorization of 2x2x3x5?

Well, honey, the number with the prime factorization of 2x2x3x5 is 60. It's like a math puzzle, but not really. Just multiply those primes together and you've got your answer. Math can be fun...or at least tolerable.

What is the least common multiple of 18 and 24?

The Least Common Multiple (LCM) of 18 and 24 is 72.

Multiples of 18 are 18, 36, 54, 72, and so on.

Multiples of 24 are 24, 48, 72, and so on.

So the LCM of 18 and 24 is 72.

What are the 3 factors to in harvesting?

The three factors to consider in harvesting are timing, technique, and equipment. Timing refers to choosing the right moment to harvest to ensure optimal quality and yield. Technique involves the methods used to harvest, such as hand-picking or machine harvesting, depending on the crop. Equipment selection is crucial to ensure efficiency and minimize damage to the crop during harvesting operations.

What two numbers add to 9 and multiply to 168?

Let's denote the two numbers as x and y. From the given conditions, we have the following system of equations:

x + y = 9 xy = 168

By solving the first equation for y (y = 9 - x) and substituting it into the second equation, we get:

x(9 - x) = 168 9x - x^2 = 168 x^2 - 9x + 168 = 0

Factoring the quadratic equation gives us (x - 8)(x - 21) = 0. Therefore, the two numbers are 8 and 21.

Does 8 go into 85?

Nope - the nearest multiple of 8 that is closest is... 88

What is the greatest common factor of 16 and 25?

The greatest common factor of 16 and 25 is 1. This is because 1 is the largest integer that divides both 16 and 25 without leaving a remainder. 16 can be factored into 2^4 and 25 can be factored into 5^2, and since they do not share any common factors other than 1, the greatest common factor is 1.

What is the factor for 24ab?

Well, honey, the factor for 24ab is 1, 2, 3, 4, 6, 8, 12, 24, a, b, 2a, 3a, 4a, 6a, 8a, 12a, 24a, b, 2b, 3b, 4b, 6b, 8b, 12b, and 24b. So, you've got plenty of options to choose from, darlin'. Just pick your poison and factor away!

What are the prime factors of 78?

The prime factors of 78 are 2, 3, and 13. To find the prime factors of a number, you can start by dividing the number by the smallest prime number, which is 2. If the number is divisible by 2, continue dividing by 2 until you reach a point where it is no longer divisible by 2. Then, move on to the next prime number, which is 3. Repeat the process until you have factored the number completely into its prime factors.

What is the greatest common factor of 15 and 24 and 30?

To find the greatest common factor (GCF) of 15, 24, and 30, we first need to find the factors of each number. The factors of 15 are 1, 3, 5, and 15. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The GCF of 15, 24, and 30 is the largest number that is a factor of all three numbers, which in this case is 3.

Is the first number divisible by the second?

To determine if the first number is divisible by the second, you need to divide the first number by the second number. If the division result is a whole number without a remainder, then the first number is divisible by the second. For example, if the first number is 12 and the second number is 3, when you divide 12 by 3, the result is 4, which is a whole number, indicating that 12 is divisible by 3.

Is 2x2x5 a prime factorization?

No, 2x2x5 is not a prime factorization because 2 is not a prime factor. A prime factorization is a representation of a number as a product of prime numbers. In this case, the prime factorization of 2x2x5 would be 2x2x5 or 2^2x5.

What equals 235?

Well, honey, there are plenty of ways to make 235. You could add 200 and 35, or subtract 765 from it. Shoot, you could even multiply 47 by 5 to get there. The possibilities are endless, just like my love for a good martini.

What is the highest common factor of 250 and 375?

Well, isn't that a happy little math question! Let's find the factors of 250 and 375. The factors of 250 are 1, 2, 5, 10, 25, 50, 125, and 250. The factors of 375 are 1, 3, 5, 15, 25, 75, 125, and 375. The highest common factor they share is 25. Just like painting, math can be a beautiful blend of patterns and numbers coming together harmoniously.

What is the index notation of 294?

The index notation of 294 is 2 x 3^5, where 2 is the base and 5 is the exponent. This means that 294 can be expressed as the product of 2 and 3 raised to the power of 5. In index notation, the number is broken down into its prime factors and expressed as a product of primes with corresponding exponents.

What in the LCM of 9 16 25?

To find the Least Common Multiple (LCM) of 9, 16, and 25, we first need to prime factorize each number.

9 = 3^2, 16 = 2^4, and 25 = 5^2.

Then, we take the highest power of each prime factor that appears in any of the numbers: 2^4 * 3^2 * 5^2 = 400.

Therefore, the LCM of 9, 16, and 25 is 400.

What is the LCM of 1 2 3 4 5 6 7 8 9 10 11 12?

To find the least common multiple (LCM) of a set of numbers, you need to first find the prime factorization of each number. Then, you take the highest power of each prime factor that appears in any of the factorizations. In this case, the prime factorization of each number is: 2, 3, 2^2, 5, 2 * 3, 7, 2^3, 3^2, 2 * 5, 11, 2^2 * 3. Taking the highest power of each prime factor, the LCM is 2^3 * 3^2 * 5 * 7 * 11 = 27720.

What are the factors to 59 60 61 62 63 64 65 67 68 69?

1, 59

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

1, 61

1, 2, 31, 62

1, 3, 7, 9, 21, 63

1, 2, 4, 8, 16, 32, 64

1, 5, 13, 65

1, 2, 3, 6, 11, 22, 33, 66

1, 67

1, 2, 4, 17, 34, 68

1, 3, 23, 69