What is the Greatest Common Factor of 67520 and 67540?

Greatest common factor (GCF) of 67520 and 67540 is 20.

GCF(67520,67540) = 20

We will now calculate the prime factors of 67520 and 67540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67520 and 67540.

How to find the GCF of 67520 and 67540?

We will first find the prime factorization of 67520 and 67540. After we will calculate the factors of 67520 and 67540 and find the biggest common factor number .

Step-1: Prime Factorization of 67520

Prime factors of 67520 are 2, 5, 211. Prime factorization of 67520 in exponential form is:

67520 = 2⁶ × 5¹ × 211¹

Step-2: Prime Factorization of 67540

Prime factors of 67540 are 2, 5, 11, 307. Prime factorization of 67540 in exponential form is:

67540 = 2² × 5¹ × 11¹ × 307¹

Step-3: Factors of 67520

List of positive integer factors of 67520 that divides 67520 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 844, 1055, 1688, 2110, 3376, 4220, 6752, 8440, 13504, 16880, 33760

Step-4: Factors of 67540

List of positive integer factors of 67540 that divides 67520 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 614, 1228, 1535, 3070, 3377, 6140, 6754, 13508, 16885, 33770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67520 and 67540. The biggest common factor number is the GCF number.
So the greatest common factor 67520 and 67540 is 20.

Also check out the Least Common Multiple of 67520 and 67540