Greatest Common Factor of 978, 349, 20

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

• Greatest Common Factor of 978, 349, 20 by common division method
• Greatest Common Factor of 978, 349, 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 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Factors of 349

List of positive integer factors of 349 that divides 349 without a remainder.

1,349

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 978,349,20 . The biggest common factor number is the GCF number.
So the greatest common factor 978,349,20 is 1.

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

• GCF of 813, 618, 41
• GCF of 936, 711, 72
• GCF of 553, 843, 16
• GCF of 219, 148, 38
• GCF of 686, 244, 74

1. What is the GCF of 978, 349, 20?

Answer: GCF of 978, 349, 20 is 1.

2. How to Find the GCF of 978, 349, 20

Answer: Greatest Common Factor(GCF) of 978, 349, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(978, 349, 20) = 1.