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What is the Greatest Common Factor of 67680 and 67700?

Greatest common factor (GCF) of 67680 and 67700 is 20.

GCF(67680,67700) = 20

We will now calculate the prime factors of 67680 and 67700, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67680 and 67700.

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How to find the GCF of 67680 and 67700?

We will first find the prime factorization of 67680 and 67700. After we will calculate the factors of 67680 and 67700 and find the biggest common factor number .

Step-1: Prime Factorization of 67680

Prime factors of 67680 are 2, 3, 5, 47. Prime factorization of 67680 in exponential form is:

67680 = 25 × 32 × 51 × 471

Step-2: Prime Factorization of 67700

Prime factors of 67700 are 2, 5, 677. Prime factorization of 67700 in exponential form is:

67700 = 22 × 52 × 6771

Step-3: Factors of 67680

List of positive integer factors of 67680 that divides 67680 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 360, 376, 423, 470, 480, 564, 705, 720, 752, 846, 940, 1128, 1410, 1440, 1504, 1692, 1880, 2115, 2256, 2820, 3384, 3760, 4230, 4512, 5640, 6768, 7520, 8460, 11280, 13536, 16920, 22560, 33840

Step-4: Factors of 67700

List of positive integer factors of 67700 that divides 67680 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 677, 1354, 2708, 3385, 6770, 13540, 16925, 33850

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67680 and 67700. The biggest common factor number is the GCF number.
So the greatest common factor 67680 and 67700 is 20.

Also check out the Least Common Multiple of 67680 and 67700