What is the Greatest Common Factor of 23520 and 23540?

Greatest common factor (GCF) of 23520 and 23540 is 20.

GCF(23520,23540) = 20

We will now calculate the prime factors of 23520 and 23540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23520 and 23540.

How to find the GCF of 23520 and 23540?

We will first find the prime factorization of 23520 and 23540. After we will calculate the factors of 23520 and 23540 and find the biggest common factor number .

Step-1: Prime Factorization of 23520

Prime factors of 23520 are 2, 3, 5, 7. Prime factorization of 23520 in exponential form is:

23520 = 2⁵ × 3¹ × 5¹ × 7²

Step-2: Prime Factorization of 23540

Prime factors of 23540 are 2, 5, 11, 107. Prime factorization of 23540 in exponential form is:

23540 = 2² × 5¹ × 11¹ × 107¹

Step-3: Factors of 23520

List of positive integer factors of 23520 that divides 23520 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760

Step-4: Factors of 23540

List of positive integer factors of 23540 that divides 23520 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23520 and 23540. The biggest common factor number is the GCF number.
So the greatest common factor 23520 and 23540 is 20.

Also check out the Least Common Multiple of 23520 and 23540