Greatest Common Factor of 20, 31, 68, 412

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

• Greatest Common Factor of 20, 31, 68, 412 by common division method
• Greatest Common Factor of 20, 31, 68, 412 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 20

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

1,2,4,5,10,20

Factors of 31

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

1,31

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 412

List of positive integer factors of 412 that divides 412 without a remainder.

1,2,4,103,206,412

Greatest Common Factor

We found the factors 20,31,68,412 . The biggest common factor number is the GCF number.
So the greatest common factor 20,31,68,412 is 1.

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

• GCF of 23, 57, 54, 134
• GCF of 43, 60, 22, 107
• GCF of 42, 31, 91, 149
• GCF of 64, 77, 83, 952
• GCF of 73, 47, 13, 953

1. What is the GCF of 20, 31, 68, 412?

Answer: GCF of 20, 31, 68, 412 is 1.

2. How to Find the GCF of 20, 31, 68, 412

Answer: Greatest Common Factor(GCF) of 20, 31, 68, 412 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 31, 68, 412) = 1.