The factors of 7 are:
1, 7
The factors of 18 are:
1, 2, 3, 6, 9, 18
The common factor is:
1
In math the common factor of the numbers 18 and 7 is 1.
The only common factor is 1.
The factors of 21 are 1, 3, 7 and 21. The factors of 18 are 1, 2, 3, 6, 14 and 18. Therefore the common factors are 1 and 3.
The prime factors of 18 are 2, 3, and 3. The prime factors of 70 are 2, 5, and 7. The prime factors that 18 and 70 have in common are a single 2.
The positive integer factors of 18 are: 1 2 3 6 9 18 The positive integer factors of 7 are: 1 7 Since 7 is a prime number, the only positive integer common factors of the two numbers is the number 1.
The common factors of 18 and 42 are 1, 2, 3, and 6. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The common factors of 18 and 42 are 1, 2, 3, and 6.
The common factors of 18 are: 1,2,3,6,9,18.
The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 63 are: 1, 3, 7, 9, 21, 63The common factors are: 1, 3, 9
The factors of 16 are: 1, 2, 4, 8, 16The factors of 35 are: 1, 5, 7, 35The common factor is: 1
The factors of 18 are: 1, 2, 3, 6, 9, 18.The factors of 28 are: 1, 2, 4, 7, 14, 28.The factors of 34 are: 1, 2, 17, 34.The common factors are: 1, 2
The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1. Factorizations: 18-3x3x2 21-7x3
There are no common factors of 126 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, and 126. The prime factors of 126 are 2, 3, 3, and 7. Examples: The common factors of 4 and 126 are 1 and 2. The common factors of 36 and 126 are 1, 2, 3, 6, 9, and 18. The common factors of 49 and 126 are 1 and 7. The common factors of 12, 30, and 126 are 1, 2, 3, and 6.
18 factors to [2 3 3] 14 factors to [2 7] Common factor is 2 18 * 14 / 2 = 126 ■