What is the Greatest Common Factor of 40540 and 40558?

Greatest common factor (GCF) of 40540 and 40558 is 2.

GCF(40540,40558) = 2

We will now calculate the prime factors of 40540 and 40558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40540 and 40558.

How to find the GCF of 40540 and 40558?

We will first find the prime factorization of 40540 and 40558. After we will calculate the factors of 40540 and 40558 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 40558

Prime factors of 40558 are 2, 7, 2897. Prime factorization of 40558 in exponential form is:

40558 = 2¹ × 7¹ × 2897¹

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 40558

List of positive integer factors of 40558 that divides 40540 without a remainder.

1, 2, 7, 14, 2897, 5794, 20279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40540 and 40558. The biggest common factor number is the GCF number.
So the greatest common factor 40540 and 40558 is 2.

Also check out the Least Common Multiple of 40540 and 40558