What is the Greatest Common Factor of 65661 and 65670?

Greatest common factor (GCF) of 65661 and 65670 is 3.

GCF(65661,65670) = 3

We will now calculate the prime factors of 65661 and 65670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65661 and 65670.

How to find the GCF of 65661 and 65670?

We will first find the prime factorization of 65661 and 65670. After we will calculate the factors of 65661 and 65670 and find the biggest common factor number .

Step-1: Prime Factorization of 65661

Prime factors of 65661 are 3, 43, 509. Prime factorization of 65661 in exponential form is:

65661 = 3¹ × 43¹ × 509¹

Step-2: Prime Factorization of 65670

Prime factors of 65670 are 2, 3, 5, 11, 199. Prime factorization of 65670 in exponential form is:

65670 = 2¹ × 3¹ × 5¹ × 11¹ × 199¹

Step-3: Factors of 65661

List of positive integer factors of 65661 that divides 65661 without a remainder.

1, 3, 43, 129, 509, 1527, 21887

Step-4: Factors of 65670

List of positive integer factors of 65670 that divides 65661 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 199, 330, 398, 597, 995, 1194, 1990, 2189, 2985, 4378, 5970, 6567, 10945, 13134, 21890, 32835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65661 and 65670. The biggest common factor number is the GCF number.
So the greatest common factor 65661 and 65670 is 3.

Also check out the Least Common Multiple of 65661 and 65670