What is the Greatest Common Factor of 67620 and 67624?

Greatest common factor (GCF) of 67620 and 67624 is 4.

GCF(67620,67624) = 4

We will now calculate the prime factors of 67620 and 67624, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67620 and 67624.

How to find the GCF of 67620 and 67624?

We will first find the prime factorization of 67620 and 67624. After we will calculate the factors of 67620 and 67624 and find the biggest common factor number .

Step-1: Prime Factorization of 67620

Prime factors of 67620 are 2, 3, 5, 7, 23. Prime factorization of 67620 in exponential form is:

67620 = 2² × 3¹ × 5¹ × 7² × 23¹

Step-2: Prime Factorization of 67624

Prime factors of 67624 are 2, 79, 107. Prime factorization of 67624 in exponential form is:

67624 = 2³ × 79¹ × 107¹

Step-3: Factors of 67620

List of positive integer factors of 67620 that divides 67620 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 13524, 16905, 22540, 33810

Step-4: Factors of 67624

List of positive integer factors of 67624 that divides 67620 without a remainder.

1, 2, 4, 8, 79, 107, 158, 214, 316, 428, 632, 856, 8453, 16906, 33812

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67620 and 67624. The biggest common factor number is the GCF number.
So the greatest common factor 67620 and 67624 is 4.

Also check out the Least Common Multiple of 67620 and 67624