Greatest Common Factor of 680, 421, 988

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

• Greatest Common Factor of 680, 421, 988 by common division method
• Greatest Common Factor of 680, 421, 988 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 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Greatest Common Factor

We found the factors 680,421,988 . The biggest common factor number is the GCF number.
So the greatest common factor 680,421,988 is 1.

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

• GCF of 892, 114, 485
• GCF of 403, 298, 839
• GCF of 977, 540, 622
• GCF of 851, 777, 546
• GCF of 204, 280, 764

1. What is the GCF of 680, 421, 988?

Answer: GCF of 680, 421, 988 is 1.

2. How to Find the GCF of 680, 421, 988

Answer: Greatest Common Factor(GCF) of 680, 421, 988 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 421, 988) = 1.