What is the Greatest Common Factor of 69708 and 69720?

Greatest common factor (GCF) of 69708 and 69720 is 12.

GCF(69708,69720) = 12

We will now calculate the prime factors of 69708 and 69720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69708 and 69720.

How to find the GCF of 69708 and 69720?

We will first find the prime factorization of 69708 and 69720. After we will calculate the factors of 69708 and 69720 and find the biggest common factor number .

Step-1: Prime Factorization of 69708

Prime factors of 69708 are 2, 3, 37, 157. Prime factorization of 69708 in exponential form is:

69708 = 2² × 3¹ × 37¹ × 157¹

Step-2: 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-3: Factors of 69708

List of positive integer factors of 69708 that divides 69708 without a remainder.

1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 157, 222, 314, 444, 471, 628, 942, 1884, 5809, 11618, 17427, 23236, 34854

Step-4: Factors of 69720

List of positive integer factors of 69720 that divides 69708 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69708 and 69720. The biggest common factor number is the GCF number.
So the greatest common factor 69708 and 69720 is 12.

Also check out the Least Common Multiple of 69708 and 69720