Greatest Common Factor of 42, 4709, 680

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

• Greatest Common Factor of 42, 4709, 680 by common division method
• Greatest Common Factor of 42, 4709, 680 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 42

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

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

Factors of 4709

List of positive integer factors of 4709 that divides 4709 without a remainder.

1,17,277,4709

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

Greatest Common Factor

We found the factors 42,4709,680 . The biggest common factor number is the GCF number.
So the greatest common factor 42,4709,680 is 1.

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

• GCF of 31, 4498, 770
• GCF of 68, 1703, 631
• GCF of 70, 6867, 181
• GCF of 83, 5481, 315
• GCF of 76, 4764, 114

1. What is the GCF of 42, 4709, 680?

Answer: GCF of 42, 4709, 680 is 1.

2. How to Find the GCF of 42, 4709, 680

Answer: Greatest Common Factor(GCF) of 42, 4709, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 4709, 680) = 1.