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What is the Greatest Common Factor of 77090 and 77100?

Greatest common factor (GCF) of 77090 and 77100 is 10.

GCF(77090,77100) = 10

We will now calculate the prime factors of 77090 and 77100, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77090 and 77100.

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How to find the GCF of 77090 and 77100?

We will first find the prime factorization of 77090 and 77100. After we will calculate the factors of 77090 and 77100 and find the biggest common factor number .

Step-1: Prime Factorization of 77090

Prime factors of 77090 are 2, 5, 13, 593. Prime factorization of 77090 in exponential form is:

77090 = 21 × 51 × 131 × 5931

Step-2: Prime Factorization of 77100

Prime factors of 77100 are 2, 3, 5, 257. Prime factorization of 77100 in exponential form is:

77100 = 22 × 31 × 52 × 2571

Step-3: Factors of 77090

List of positive integer factors of 77090 that divides 77090 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 593, 1186, 2965, 5930, 7709, 15418, 38545

Step-4: Factors of 77100

List of positive integer factors of 77100 that divides 77090 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 257, 300, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 6425, 7710, 12850, 15420, 19275, 25700, 38550

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77090 and 77100. The biggest common factor number is the GCF number.
So the greatest common factor 77090 and 77100 is 10.

Also check out the Least Common Multiple of 77090 and 77100