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What is the Greatest Common Factor of 78022 and 78040?

Greatest common factor (GCF) of 78022 and 78040 is 2.

GCF(78022,78040) = 2

We will now calculate the prime factors of 78022 and 78040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78022 and 78040.

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How to find the GCF of 78022 and 78040?

We will first find the prime factorization of 78022 and 78040. After we will calculate the factors of 78022 and 78040 and find the biggest common factor number .

Step-1: Prime Factorization of 78022

Prime factors of 78022 are 2, 7, 5573. Prime factorization of 78022 in exponential form is:

78022 = 21 × 71 × 55731

Step-2: Prime Factorization of 78040

Prime factors of 78040 are 2, 5, 1951. Prime factorization of 78040 in exponential form is:

78040 = 23 × 51 × 19511

Step-3: Factors of 78022

List of positive integer factors of 78022 that divides 78022 without a remainder.

1, 2, 7, 14, 5573, 11146, 39011

Step-4: Factors of 78040

List of positive integer factors of 78040 that divides 78022 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1951, 3902, 7804, 9755, 15608, 19510, 39020

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78022 and 78040. The biggest common factor number is the GCF number.
So the greatest common factor 78022 and 78040 is 2.

Also check out the Least Common Multiple of 78022 and 78040