Greatest Common Factor of 680, 976, 42

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

• Greatest Common Factor of 680, 976, 42 by common division method
• Greatest Common Factor of 680, 976, 42 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 976

List of positive integer factors of 976 that divides 976 without a remainder.

1,2,4,8,16,61,122,244,488,976

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 680,976,42 . The biggest common factor number is the GCF number.
So the greatest common factor 680,976,42 is 2.

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

• GCF of 666, 974, 51
• GCF of 663, 986, 67
• GCF of 850, 588, 58
• GCF of 193, 243, 11
• GCF of 822, 631, 21

1. What is the GCF of 680, 976, 42?

Answer: GCF of 680, 976, 42 is 2.

2. How to Find the GCF of 680, 976, 42

Answer: Greatest Common Factor(GCF) of 680, 976, 42 = 2

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

Step 2: Then multiply all the prime factors GCF(680, 976, 42) = 2.