Greatest Common Factor of 690, 493, 31

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

• Greatest Common Factor of 690, 493, 31 by common division method
• Greatest Common Factor of 690, 493, 31 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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 493

List of positive integer factors of 493 that divides 493 without a remainder.

1,17,29,493

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Greatest Common Factor

We found the factors 690,493,31 . The biggest common factor number is the GCF number.
So the greatest common factor 690,493,31 is 1.

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

• GCF of 219, 550, 55
• GCF of 811, 524, 13
• GCF of 293, 357, 67
• GCF of 724, 139, 53
• GCF of 478, 498, 67

1. What is the GCF of 690, 493, 31?

Answer: GCF of 690, 493, 31 is 1.

2. How to Find the GCF of 690, 493, 31

Answer: Greatest Common Factor(GCF) of 690, 493, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(690, 493, 31) = 1.