What is the Greatest Common Factor of 40540 and 40556?

Greatest common factor (GCF) of 40540 and 40556 is 4.

GCF(40540,40556) = 4

We will now calculate the prime factors of 40540 and 40556, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40540 and 40556.

How to find the GCF of 40540 and 40556?

We will first find the prime factorization of 40540 and 40556. After we will calculate the factors of 40540 and 40556 and find the biggest common factor number .

Step-1: Prime Factorization of 40540

Prime factors of 40540 are 2, 5, 2027. Prime factorization of 40540 in exponential form is:

40540 = 2² × 5¹ × 2027¹

Step-2: Prime Factorization of 40556

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

40556 = 2² × 10139¹

Step-3: Factors of 40540

List of positive integer factors of 40540 that divides 40540 without a remainder.

1, 2, 4, 5, 10, 20, 2027, 4054, 8108, 10135, 20270

Step-4: Factors of 40556

List of positive integer factors of 40556 that divides 40540 without a remainder.

1, 2, 4, 10139, 20278

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40540 and 40556. The biggest common factor number is the GCF number.
So the greatest common factor 40540 and 40556 is 4.

Also check out the Least Common Multiple of 40540 and 40556