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What is the Greatest Common Factor of 40560 and 40580?

Greatest common factor (GCF) of 40560 and 40580 is 20.

GCF(40560,40580) = 20

We will now calculate the prime factors of 40560 and 40580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40560 and 40580.

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How to find the GCF of 40560 and 40580?

We will first find the prime factorization of 40560 and 40580. After we will calculate the factors of 40560 and 40580 and find the biggest common factor number .

Step-1: Prime Factorization of 40560

Prime factors of 40560 are 2, 3, 5, 13. Prime factorization of 40560 in exponential form is:

40560 = 24 × 31 × 51 × 132

Step-2: Prime Factorization of 40580

Prime factors of 40580 are 2, 5, 2029. Prime factorization of 40580 in exponential form is:

40580 = 22 × 51 × 20291

Step-3: Factors of 40560

List of positive integer factors of 40560 that divides 40560 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 20280

Step-4: Factors of 40580

List of positive integer factors of 40580 that divides 40560 without a remainder.

1, 2, 4, 5, 10, 20, 2029, 4058, 8116, 10145, 20290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40560 and 40580. The biggest common factor number is the GCF number.
So the greatest common factor 40560 and 40580 is 20.

Also check out the Least Common Multiple of 40560 and 40580