Greatest Common Factor of 691, 620, 85

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

• Greatest Common Factor of 691, 620, 85 by common division method
• Greatest Common Factor of 691, 620, 85 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 691

List of positive integer factors of 691 that divides 691 without a remainder.

1,691

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 691,620,85 . The biggest common factor number is the GCF number.
So the greatest common factor 691,620,85 is 1.

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

• GCF of 105, 969, 96
• GCF of 194, 440, 93
• GCF of 623, 742, 64
• GCF of 543, 862, 52
• GCF of 703, 498, 18

1. What is the GCF of 691, 620, 85?

Answer: GCF of 691, 620, 85 is 1.

2. How to Find the GCF of 691, 620, 85

Answer: Greatest Common Factor(GCF) of 691, 620, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(691, 620, 85) = 1.