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What is the Greatest Common Factor of 67540 and 67550?

Greatest common factor (GCF) of 67540 and 67550 is 10.

GCF(67540,67550) = 10

We will now calculate the prime factors of 67540 and 67550, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67540 and 67550.

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How to find the GCF of 67540 and 67550?

We will first find the prime factorization of 67540 and 67550. After we will calculate the factors of 67540 and 67550 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 67550

Prime factors of 67550 are 2, 5, 7, 193. Prime factorization of 67550 in exponential form is:

67550 = 21 × 52 × 71 × 1931

Step-3: Factors of 67540

List of positive integer factors of 67540 that divides 67540 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

Step-4: Factors of 67550

List of positive integer factors of 67550 that divides 67540 without a remainder.

1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 965, 1351, 1930, 2702, 4825, 6755, 9650, 13510, 33775

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67540 and 67550. The biggest common factor number is the GCF number.
So the greatest common factor 67540 and 67550 is 10.

Also check out the Least Common Multiple of 67540 and 67550