What is the Greatest Common Factor of 67940 and 67960?

Greatest common factor (GCF) of 67940 and 67960 is 20.

GCF(67940,67960) = 20

We will now calculate the prime factors of 67940 and 67960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67940 and 67960.

How to find the GCF of 67940 and 67960?

We will first find the prime factorization of 67940 and 67960. After we will calculate the factors of 67940 and 67960 and find the biggest common factor number .

Step-1: Prime Factorization of 67940

Prime factors of 67940 are 2, 5, 43, 79. Prime factorization of 67940 in exponential form is:

67940 = 2² × 5¹ × 43¹ × 79¹

Step-2: Prime Factorization of 67960

Prime factors of 67960 are 2, 5, 1699. Prime factorization of 67960 in exponential form is:

67960 = 2³ × 5¹ × 1699¹

Step-3: Factors of 67940

List of positive integer factors of 67940 that divides 67940 without a remainder.

1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 3397, 6794, 13588, 16985, 33970

Step-4: Factors of 67960

List of positive integer factors of 67960 that divides 67940 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1699, 3398, 6796, 8495, 13592, 16990, 33980

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67940 and 67960. The biggest common factor number is the GCF number.
So the greatest common factor 67940 and 67960 is 20.

Also check out the Least Common Multiple of 67940 and 67960