Greatest Common Factor of 978, 139, 85

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

• Greatest Common Factor of 978, 139, 85 by common division method
• Greatest Common Factor of 978, 139, 85 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 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 978,139,85 . The biggest common factor number is the GCF number.
So the greatest common factor 978,139,85 is 1.

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

• GCF of 745, 699, 48
• GCF of 700, 113, 51
• GCF of 226, 156, 91
• GCF of 676, 114, 18
• GCF of 202, 842, 34

1. What is the GCF of 978, 139, 85?

Answer: GCF of 978, 139, 85 is 1.

2. How to Find the GCF of 978, 139, 85

Answer: Greatest Common Factor(GCF) of 978, 139, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(978, 139, 85) = 1.