Greatest Common Factor of 763, 644, 20

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 763, 644, 20 by common division method
• Greatest Common Factor of 763, 644, 20 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 763

List of positive integer factors of 763 that divides 763 without a remainder.

1,7,109,763

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 763,644,20 . The biggest common factor number is the GCF number.
So the greatest common factor 763,644,20 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 246, 727, 12
• GCF of 643, 730, 81
• GCF of 436, 261, 40
• GCF of 622, 941, 91
• GCF of 476, 172, 84

1. What is the GCF of 763, 644, 20?

Answer: GCF of 763, 644, 20 is 1.

2. How to Find the GCF of 763, 644, 20

Answer: Greatest Common Factor(GCF) of 763, 644, 20 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(763, 644, 20) = 1.