What is the Greatest Common Factor of 25620 and 25630?

Greatest common factor (GCF) of 25620 and 25630 is 10.

GCF(25620,25630) = 10

We will now calculate the prime factors of 25620 and 25630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25620 and 25630.

How to find the GCF of 25620 and 25630?

We will first find the prime factorization of 25620 and 25630. After we will calculate the factors of 25620 and 25630 and find the biggest common factor number .

Step-1: Prime Factorization of 25620

Prime factors of 25620 are 2, 3, 5, 7, 61. Prime factorization of 25620 in exponential form is:

25620 = 2² × 3¹ × 5¹ × 7¹ × 61¹

Step-2: Prime Factorization of 25630

Prime factors of 25630 are 2, 5, 11, 233. Prime factorization of 25630 in exponential form is:

25630 = 2¹ × 5¹ × 11¹ × 233¹

Step-3: Factors of 25620

List of positive integer factors of 25620 that divides 25620 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8540, 12810

Step-4: Factors of 25630

List of positive integer factors of 25630 that divides 25620 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 1165, 2330, 2563, 5126, 12815

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25620 and 25630. The biggest common factor number is the GCF number.
So the greatest common factor 25620 and 25630 is 10.

Also check out the Least Common Multiple of 25620 and 25630