What is the Greatest Common Factor of 15820 and 15824?

Greatest common factor (GCF) of 15820 and 15824 is 4.

GCF(15820,15824) = 4

We will now calculate the prime factors of 15820 and 15824, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15820 and 15824.

How to find the GCF of 15820 and 15824?

We will first find the prime factorization of 15820 and 15824. After we will calculate the factors of 15820 and 15824 and find the biggest common factor number .

Step-1: Prime Factorization of 15820

Prime factors of 15820 are 2, 5, 7, 113. Prime factorization of 15820 in exponential form is:

15820 = 2² × 5¹ × 7¹ × 113¹

Step-2: Prime Factorization of 15824

Prime factors of 15824 are 2, 23, 43. Prime factorization of 15824 in exponential form is:

15824 = 2⁴ × 23¹ × 43¹

Step-3: Factors of 15820

List of positive integer factors of 15820 that divides 15820 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910

Step-4: Factors of 15824

List of positive integer factors of 15824 that divides 15820 without a remainder.

1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15820 and 15824. The biggest common factor number is the GCF number.
So the greatest common factor 15820 and 15824 is 4.

Also check out the Least Common Multiple of 15820 and 15824