Greatest Common Factor of 20, 32, 90, 917

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

• Greatest Common Factor of 20, 32, 90, 917 by common division method
• Greatest Common Factor of 20, 32, 90, 917 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 20

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

1,2,4,5,10,20

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 917

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

1,7,131,917

Greatest Common Factor

We found the factors 20,32,90,917 . The biggest common factor number is the GCF number.
So the greatest common factor 20,32,90,917 is 1.

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

• GCF of 57, 89, 83, 582
• GCF of 44, 94, 35, 362
• GCF of 98, 49, 14, 503
• GCF of 57, 30, 77, 559
• GCF of 86, 72, 26, 362

1. What is the GCF of 20, 32, 90, 917?

Answer: GCF of 20, 32, 90, 917 is 1.

2. How to Find the GCF of 20, 32, 90, 917

Answer: Greatest Common Factor(GCF) of 20, 32, 90, 917 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 32, 90, 917) = 1.