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What is the Greatest Common Factor of 40238 and 40242?

Greatest common factor (GCF) of 40238 and 40242 is 2.

GCF(40238,40242) = 2

We will now calculate the prime factors of 40238 and 40242, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40238 and 40242.

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How to find the GCF of 40238 and 40242?

We will first find the prime factorization of 40238 and 40242. After we will calculate the factors of 40238 and 40242 and find the biggest common factor number .

Step-1: Prime Factorization of 40238

Prime factors of 40238 are 2, 11, 31, 59. Prime factorization of 40238 in exponential form is:

40238 = 21 × 111 × 311 × 591

Step-2: Prime Factorization of 40242

Prime factors of 40242 are 2, 3, 19, 353. Prime factorization of 40242 in exponential form is:

40242 = 21 × 31 × 191 × 3531

Step-3: Factors of 40238

List of positive integer factors of 40238 that divides 40238 without a remainder.

1, 2, 11, 22, 31, 59, 62, 118, 341, 649, 682, 1298, 1829, 3658, 20119

Step-4: Factors of 40242

List of positive integer factors of 40242 that divides 40238 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 353, 706, 1059, 2118, 6707, 13414, 20121

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40238 and 40242. The biggest common factor number is the GCF number.
So the greatest common factor 40238 and 40242 is 2.

Also check out the Least Common Multiple of 40238 and 40242