Greatest Common Factor of 917, 989, 20

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

• Greatest Common Factor of 917, 989, 20 by common division method
• Greatest Common Factor of 917, 989, 20 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 917

List of positive integer factors of 917 that divides 917 without a remainder.

1,7,131,917

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 917,989,20 . The biggest common factor number is the GCF number.
So the greatest common factor 917,989,20 is 1.

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

• GCF of 216, 807, 83
• GCF of 229, 514, 36
• GCF of 463, 140, 47
• GCF of 569, 403, 69
• GCF of 699, 496, 44

1. What is the GCF of 917, 989, 20?

Answer: GCF of 917, 989, 20 is 1.

2. How to Find the GCF of 917, 989, 20

Answer: Greatest Common Factor(GCF) of 917, 989, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(917, 989, 20) = 1.