What is the Greatest Common Factor of 85620 and 85624?

Greatest common factor (GCF) of 85620 and 85624 is 4.

GCF(85620,85624) = 4

We will now calculate the prime factors of 85620 and 85624, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85620 and 85624.

How to find the GCF of 85620 and 85624?

We will first find the prime factorization of 85620 and 85624. After we will calculate the factors of 85620 and 85624 and find the biggest common factor number .

Step-1: Prime Factorization of 85620

Prime factors of 85620 are 2, 3, 5, 1427. Prime factorization of 85620 in exponential form is:

85620 = 2² × 3¹ × 5¹ × 1427¹

Step-2: Prime Factorization of 85624

Prime factors of 85624 are 2, 7, 11, 139. Prime factorization of 85624 in exponential form is:

85624 = 2³ × 7¹ × 11¹ × 139¹

Step-3: Factors of 85620

List of positive integer factors of 85620 that divides 85620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1427, 2854, 4281, 5708, 7135, 8562, 14270, 17124, 21405, 28540, 42810

Step-4: Factors of 85624

List of positive integer factors of 85624 that divides 85620 without a remainder.

1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 139, 154, 278, 308, 556, 616, 973, 1112, 1529, 1946, 3058, 3892, 6116, 7784, 10703, 12232, 21406, 42812

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85620 and 85624. The biggest common factor number is the GCF number.
So the greatest common factor 85620 and 85624 is 4.

Also check out the Least Common Multiple of 85620 and 85624