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What is the Greatest Common Factor of 40485 and 40490?

Greatest common factor (GCF) of 40485 and 40490 is 5.

GCF(40485,40490) = 5

We will now calculate the prime factors of 40485 and 40490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40485 and 40490.

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How to find the GCF of 40485 and 40490?

We will first find the prime factorization of 40485 and 40490. After we will calculate the factors of 40485 and 40490 and find the biggest common factor number .

Step-1: Prime Factorization of 40485

Prime factors of 40485 are 3, 5, 2699. Prime factorization of 40485 in exponential form is:

40485 = 31 × 51 × 26991

Step-2: Prime Factorization of 40490

Prime factors of 40490 are 2, 5, 4049. Prime factorization of 40490 in exponential form is:

40490 = 21 × 51 × 40491

Step-3: Factors of 40485

List of positive integer factors of 40485 that divides 40485 without a remainder.

1, 3, 5, 15, 2699, 8097, 13495

Step-4: Factors of 40490

List of positive integer factors of 40490 that divides 40485 without a remainder.

1, 2, 5, 10, 4049, 8098, 20245

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40485 and 40490. The biggest common factor number is the GCF number.
So the greatest common factor 40485 and 40490 is 5.

Also check out the Least Common Multiple of 40485 and 40490