Greatest Common Factor of 70, 686, 980

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

• Greatest Common Factor of 70, 686, 980 by common division method
• Greatest Common Factor of 70, 686, 980 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 7 = 14

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

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 70,686,980 . The biggest common factor number is the GCF number.
So the greatest common factor 70,686,980 is 14.

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

• GCF of 31, 218, 390
• GCF of 85, 108, 771
• GCF of 94, 353, 574
• GCF of 57, 636, 533
• GCF of 33, 986, 241

1. What is the GCF of 70, 686, 980?

Answer: GCF of 70, 686, 980 is 14.

2. How to Find the GCF of 70, 686, 980

Answer: Greatest Common Factor(GCF) of 70, 686, 980 = 14

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

Step 2: Then multiply all the prime factors GCF(70, 686, 980) = 14.