Greatest Common Factor of 39, 20, 57, 980

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

• Greatest Common Factor of 39, 20, 57, 980 by common division method
• Greatest Common Factor of 39, 20, 57, 980 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 20

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

1,2,4,5,10,20

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Greatest Common Factor

We found the factors 39,20,57,980 . The biggest common factor number is the GCF number.
So the greatest common factor 39,20,57,980 is 1.

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

• GCF of 38, 46, 75, 618
• GCF of 15, 44, 42, 163
• GCF of 58, 32, 16, 221
• GCF of 61, 98, 49, 760
• GCF of 17, 77, 63, 471

1. What is the GCF of 39, 20, 57, 980?

Answer: GCF of 39, 20, 57, 980 is 1.

2. How to Find the GCF of 39, 20, 57, 980

Answer: Greatest Common Factor(GCF) of 39, 20, 57, 980 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 20, 57, 980) = 1.