What is the Greatest Common Factor of 40556 and 40560?

Greatest common factor (GCF) of 40556 and 40560 is 4.

GCF(40556,40560) = 4

We will now calculate the prime factors of 40556 and 40560, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40556 and 40560.

How to find the GCF of 40556 and 40560?

We will first find the prime factorization of 40556 and 40560. After we will calculate the factors of 40556 and 40560 and find the biggest common factor number .

Step-1: Prime Factorization of 40556

Prime factors of 40556 are 2, 10139. Prime factorization of 40556 in exponential form is:

40556 = 2² × 10139¹

Step-2: 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-3: Factors of 40556

List of positive integer factors of 40556 that divides 40556 without a remainder.

1, 2, 4, 10139, 20278

Step-4: Factors of 40560

List of positive integer factors of 40560 that divides 40556 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40556 and 40560. The biggest common factor number is the GCF number.
So the greatest common factor 40556 and 40560 is 4.

Also check out the Least Common Multiple of 40556 and 40560