Greatest Common Factor of 31, 63, 20, 775

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

• Greatest Common Factor of 31, 63, 20, 775 by common division method
• Greatest Common Factor of 31, 63, 20, 775 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 20

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

1,2,4,5,10,20

Factors of 775

List of positive integer factors of 775 that divides 775 without a remainder.

1,5,25,31,155,775

Greatest Common Factor

We found the factors 31,63,20,775 . The biggest common factor number is the GCF number.
So the greatest common factor 31,63,20,775 is 1.

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

• GCF of 99, 63, 80, 812
• GCF of 22, 50, 41, 151
• GCF of 94, 86, 10, 948
• GCF of 97, 48, 53, 548
• GCF of 62, 58, 72, 676

1. What is the GCF of 31, 63, 20, 775?

Answer: GCF of 31, 63, 20, 775 is 1.

2. How to Find the GCF of 31, 63, 20, 775

Answer: Greatest Common Factor(GCF) of 31, 63, 20, 775 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 63, 20, 775) = 1.