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What is the Greatest Common Factor of 40078 and 40098?

Greatest common factor (GCF) of 40078 and 40098 is 2.

GCF(40078,40098) = 2

We will now calculate the prime factors of 40078 and 40098, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40078 and 40098.

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How to find the GCF of 40078 and 40098?

We will first find the prime factorization of 40078 and 40098. After we will calculate the factors of 40078 and 40098 and find the biggest common factor number .

Step-1: Prime Factorization of 40078

Prime factors of 40078 are 2, 29, 691. Prime factorization of 40078 in exponential form is:

40078 = 21 × 291 × 6911

Step-2: Prime Factorization of 40098

Prime factors of 40098 are 2, 3, 41, 163. Prime factorization of 40098 in exponential form is:

40098 = 21 × 31 × 411 × 1631

Step-3: Factors of 40078

List of positive integer factors of 40078 that divides 40078 without a remainder.

1, 2, 29, 58, 691, 1382, 20039

Step-4: Factors of 40098

List of positive integer factors of 40098 that divides 40078 without a remainder.

1, 2, 3, 6, 41, 82, 123, 163, 246, 326, 489, 978, 6683, 13366, 20049

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40078 and 40098. The biggest common factor number is the GCF number.
So the greatest common factor 40078 and 40098 is 2.

Also check out the Least Common Multiple of 40078 and 40098