What is the Greatest Common Factor of 67620 and 67636?

Greatest common factor (GCF) of 67620 and 67636 is 4.

GCF(67620,67636) = 4

We will now calculate the prime factors of 67620 and 67636, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67620 and 67636.

How to find the GCF of 67620 and 67636?

We will first find the prime factorization of 67620 and 67636. After we will calculate the factors of 67620 and 67636 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 67636

Prime factors of 67636 are 2, 37, 457. Prime factorization of 67636 in exponential form is:

67636 = 2² × 37¹ × 457¹

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 67636

List of positive integer factors of 67636 that divides 67620 without a remainder.

1, 2, 4, 37, 74, 148, 457, 914, 1828, 16909, 33818

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67620 and 67636. The biggest common factor number is the GCF number.
So the greatest common factor 67620 and 67636 is 4.

Also check out the Least Common Multiple of 67620 and 67636