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What is the Greatest Common Factor of 78707 and 78720?

Greatest common factor (GCF) of 78707 and 78720 is 1.

GCF(78707,78720) = 1

We will now calculate the prime factors of 78707 and 78720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78707 and 78720.

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How to find the GCF of 78707 and 78720?

We will first find the prime factorization of 78707 and 78720. After we will calculate the factors of 78707 and 78720 and find the biggest common factor number .

Step-1: Prime Factorization of 78707

Prime factors of 78707 are 78707. Prime factorization of 78707 in exponential form is:

78707 = 787071

Step-2: Prime Factorization of 78720

Prime factors of 78720 are 2, 3, 5, 41. Prime factorization of 78720 in exponential form is:

78720 = 27 × 31 × 51 × 411

Step-3: Factors of 78707

List of positive integer factors of 78707 that divides 78707 without a remainder.

1

Step-4: Factors of 78720

List of positive integer factors of 78720 that divides 78707 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7872, 9840, 13120, 15744, 19680, 26240, 39360

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78707 and 78720. The biggest common factor number is the GCF number.
So the greatest common factor 78707 and 78720 is 1.

Also check out the Least Common Multiple of 78707 and 78720