Prime Numbers

Form a 'step ladder ' of division.

2)3320 =

2)1660

2)830

2)415

5)83

83)83 = 1

When reduced to '1' you have all the factors.

So the prime factors of '3320' are 2,5,83.

The prime factorization of 180 is 2 × 2 × 3 × 3 × 5, which can be expressed as (2^2 \times 3^2 \times 5). The prime numbers that compose 180 are therefore 2, 3, and 5. These are the only prime factors of 180.

The prime factorization of 54 is (2 \times 3^3), as it can be broken down into the factors 2 and 3 multiplied together three times. For 80, the prime factorization is (2^4 \times 5), since it can be divided into four 2s and one 5.

The prime numbers between 1 and 100 are as follows: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97. These numbers are only divisible by themselves and 1, making them prime. There are a total of 25 prime numbers in this range.

To keep it simple:

Write a main loop that goes through all the numbers, starting with 2, and incrementing one at a time. Determine whether each number is a prime number. If it is, increment a counter.

To determine whether each number is a prime number, either use an inner loop, or a separate function. Test divisibility of the number "n" by every number from 2 to n-1. If you find a factor, then it is not a prime number.

Note that you can test divisibility by using the "%" operator. For example:

if (number % factor == 0)

// number is divisible by factor

else

// it isn't

When you cross the Prime Meridian, you transition from the Western Hemisphere to the Eastern Hemisphere or vice versa. The Prime Meridian, located at 0 degrees longitude, serves as the reference line for measuring longitude. Crossing it can affect time zones, as you may shift from one time zone to another, impacting local time. It also marks a significant point in navigation and geography, as it divides the Earth into eastern and western halves.

'86' is an /EVEN number, so it will divide by '2' .

86 / 2 = 43

However, both '2' and '43' are prime numbers.

NB With the exception of '2', all prime numbers are ODD numbers. However, NOT all odd numbers are prime numbers.

NNB

Even numbers end in 0,2,4,6,8 e.g. 1,234,678 is even

Odd numbers end in 1,3,5,7,9. e.g. 1,234,587. is odd

NO!!!!

'86' is an EVEN number. because it ends in '6'. All even numbers end in 0,2,4,6,8.

Since it is an even number it will divide by '2', to give a whole number answer. This makes '86' a compound number.

NB With the exception of '2', all prime numbers are ODD numbers. However, NOT all odd numbers are primes.

The even numbers between 50 and 70 are 52, 54, 56, 58, 60, 62, 64, 66, and 68. These numbers are all divisible by 2 and fall within the specified range.

A situation where two or more factors conflict in deciding the right course of action is known as a dilemma. In such cases, individuals or groups must weigh the competing factors, which often involve moral, ethical, or practical considerations. The outcome may require compromises or prioritization of one factor over another, leading to potential consequences that could impact decision-making. Ultimately, resolving a dilemma requires careful analysis and reflection on the values and goals at stake.

The density of composite decking typically ranges from about 40 to 70 pounds per cubic foot (pcf), depending on the specific materials and manufacturing processes used. Composite decking is primarily made from a blend of wood fibers and plastic, which contributes to its density. This variance in density can affect the decking's durability, weight, and performance characteristics. Always check the manufacturer's specifications for the exact density of a specific product.

The prime numbers less than 21 are 2, 3, 5, 7, 11, 13, 17, and 19. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. These numbers are significant in various fields, including mathematics and computer science.

It is: 2*2*2*2*3 = 48

3 x 5 x 7 = 105

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Arithmetically

125 - 5 x 5 x 5 = 5^(3)

'5' is a prime number.

In words, ' One hundred and twenty five equals five cubed'.

Yes, the integer 2 is the only even prime number. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. Since all other even numbers can be divided by 2, they have at least three divisors: 1, 2, and the number itself, making them non-prime. Thus, 2 stands alone as the only even prime.

If a teacher divides the students into three groups with the same number of students in each group, the total number of students must be divisible by three. This means the total number of students can be expressed as 3 times another whole number. Since it has divisors other than 1 and itself, the total number of students is composite, assuming there are at least six students (as three groups of two is the smallest case for equal groups).

The four prime numbers that sum to 135 are 2, 3, 5, and 125. However, since 125 is not a prime number, it is impossible to find four prime numbers that equal 135. Therefore, you cannot express 135 as the sum of four prime numbers.

To determine if 941 is a prime number, you only need to test for factors up to the square root of 941. The square root of 941 is approximately 30.7, so you should test for divisibility by prime numbers less than or equal to 30. The greatest prime you need to consider is 29.

The prime numbers up to seventh term are

2,3,5,7,11,13,17.....

The fourth prime is '7' and the sixth prime is 13

7 x 13 = 91

NB '91' is NOT a prime numbers , because it is the composite(multiplication) of two smaller numbers.

106

The only even prime number is 2. Since it is less than 100 and meets both criteria of being even and prime, the answer is 2.

NO!!!

e.g.

'2' & '3' are prime numbers.

There product is 2 x 3 = 6 (Which is even) .

However, all other prime numbers are 'odd'.

Their products are always ODD.

Remember

Even X Even = Even

Even X odd = Even

Odd x Even = Even

Odd X Odd = Odd.

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