What is the Greatest Common Factor of 67558 and 67564?

Greatest common factor (GCF) of 67558 and 67564 is 2.

GCF(67558,67564) = 2

We will now calculate the prime factors of 67558 and 67564, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67558 and 67564.

How to find the GCF of 67558 and 67564?

We will first find the prime factorization of 67558 and 67564. After we will calculate the factors of 67558 and 67564 and find the biggest common factor number .

Step-1: Prime Factorization of 67558

Prime factors of 67558 are 2, 17, 1987. Prime factorization of 67558 in exponential form is:

67558 = 2¹ × 17¹ × 1987¹

Step-2: Prime Factorization of 67564

Prime factors of 67564 are 2, 7, 19, 127. Prime factorization of 67564 in exponential form is:

67564 = 2² × 7¹ × 19¹ × 127¹

Step-3: Factors of 67558

List of positive integer factors of 67558 that divides 67558 without a remainder.

1, 2, 17, 34, 1987, 3974, 33779

Step-4: Factors of 67564

List of positive integer factors of 67564 that divides 67558 without a remainder.

1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 508, 532, 889, 1778, 2413, 3556, 4826, 9652, 16891, 33782

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67558 and 67564. The biggest common factor number is the GCF number.
So the greatest common factor 67558 and 67564 is 2.

Also check out the Least Common Multiple of 67558 and 67564