What is the Greatest Common Factor of 64940 and 64958?

Greatest common factor (GCF) of 64940 and 64958 is 2.

GCF(64940,64958) = 2

We will now calculate the prime factors of 64940 and 64958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64940 and 64958.

How to find the GCF of 64940 and 64958?

We will first find the prime factorization of 64940 and 64958. After we will calculate the factors of 64940 and 64958 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 64958

Prime factors of 64958 are 2, 32479. Prime factorization of 64958 in exponential form is:

64958 = 2¹ × 32479¹

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 64958

List of positive integer factors of 64958 that divides 64940 without a remainder.

1, 2, 32479

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64940 and 64958. The biggest common factor number is the GCF number.
So the greatest common factor 64940 and 64958 is 2.

Also check out the Least Common Multiple of 64940 and 64958