What is the Greatest Common Factor of 69720 and 69732?

Greatest common factor (GCF) of 69720 and 69732 is 12.

GCF(69720,69732) = 12

We will now calculate the prime factors of 69720 and 69732, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69720 and 69732.

How to find the GCF of 69720 and 69732?

We will first find the prime factorization of 69720 and 69732. After we will calculate the factors of 69720 and 69732 and find the biggest common factor number .

Step-1: Prime Factorization of 69720

Prime factors of 69720 are 2, 3, 5, 7, 83. Prime factorization of 69720 in exponential form is:

69720 = 2³ × 3¹ × 5¹ × 7¹ × 83¹

Step-2: Prime Factorization of 69732

Prime factors of 69732 are 2, 3, 13, 149. Prime factorization of 69732 in exponential form is:

69732 = 2² × 3² × 13¹ × 149¹

Step-3: Factors of 69720

List of positive integer factors of 69720 that divides 69720 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 4648, 4980, 5810, 6972, 8715, 9960, 11620, 13944, 17430, 23240, 34860

Step-4: Factors of 69732

List of positive integer factors of 69732 that divides 69720 without a remainder.

1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1341, 1788, 1937, 2682, 3874, 5364, 5811, 7748, 11622, 17433, 23244, 34866

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69720 and 69732. The biggest common factor number is the GCF number.
So the greatest common factor 69720 and 69732 is 12.

Also check out the Least Common Multiple of 69720 and 69732