What is the Greatest Common Factor of 64940 and 64955?

Greatest common factor (GCF) of 64940 and 64955 is 5.

GCF(64940,64955) = 5

We will now calculate the prime factors of 64940 and 64955, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64940 and 64955.

How to find the GCF of 64940 and 64955?

We will first find the prime factorization of 64940 and 64955. After we will calculate the factors of 64940 and 64955 and find the biggest common factor number .

Step-1: Prime Factorization of 64940

Prime factors of 64940 are 2, 5, 17, 191. Prime factorization of 64940 in exponential form is:

64940 = 2² × 5¹ × 17¹ × 191¹

Step-2: Prime Factorization of 64955

Prime factors of 64955 are 5, 11, 1181. Prime factorization of 64955 in exponential form is:

64955 = 5¹ × 11¹ × 1181¹

Step-3: Factors of 64940

List of positive integer factors of 64940 that divides 64940 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1910, 3247, 3820, 6494, 12988, 16235, 32470

Step-4: Factors of 64955

List of positive integer factors of 64955 that divides 64940 without a remainder.

1, 5, 11, 55, 1181, 5905, 12991

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64940 and 64955. The biggest common factor number is the GCF number.
So the greatest common factor 64940 and 64955 is 5.

Also check out the Least Common Multiple of 64940 and 64955