What is the Greatest Common Factor of 62 and 66?

Greatest common factor (GCF) of 62 and 66 is 2.

GCF(62,66) = 2

We will now calculate the prime factors of 62 and 66, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 62 and 66.

How to find the GCF of 62 and 66?

We will first find the prime factorization of 62 and 66. After we will calculate the factors of 62 and 66 and find the biggest common factor number .

Step-1: Prime Factorization of 62

Prime factors of 62 are 2, 31. Prime factorization of 62 in exponential form is:

62 = 2¹ × 31¹

Step-2: Prime Factorization of 66

Prime factors of 66 are 2, 3, 11. Prime factorization of 66 in exponential form is:

66 = 2¹ × 3¹ × 11¹

Step-3: Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1, 2, 31

Step-4: Factors of 66

List of positive integer factors of 66 that divides 62 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 62 and 66. The biggest common factor number is the GCF number.
So the greatest common factor 62 and 66 is 2.

Also check out the Least Common Multiple of 62 and 66