What is the Greatest Common Factor of 40090 and 40100?

Greatest common factor (GCF) of 40090 and 40100 is 10.

GCF(40090,40100) = 10

We will now calculate the prime factors of 40090 and 40100, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40090 and 40100.

How to find the GCF of 40090 and 40100?

We will first find the prime factorization of 40090 and 40100. After we will calculate the factors of 40090 and 40100 and find the biggest common factor number .

Step-1: Prime Factorization of 40090

Prime factors of 40090 are 2, 5, 19, 211. Prime factorization of 40090 in exponential form is:

40090 = 2¹ × 5¹ × 19¹ × 211¹

Step-2: Prime Factorization of 40100

Prime factors of 40100 are 2, 5, 401. Prime factorization of 40100 in exponential form is:

40100 = 2² × 5² × 401¹

Step-3: Factors of 40090

List of positive integer factors of 40090 that divides 40090 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 8018, 20045

Step-4: Factors of 40100

List of positive integer factors of 40100 that divides 40090 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1604, 2005, 4010, 8020, 10025, 20050

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40090 and 40100. The biggest common factor number is the GCF number.
So the greatest common factor 40090 and 40100 is 10.

Also check out the Least Common Multiple of 40090 and 40100