Greatest Common Factor of 916, 170, 21

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

• Greatest Common Factor of 916, 170, 21 by common division method
• Greatest Common Factor of 916, 170, 21 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 916

List of positive integer factors of 916 that divides 916 without a remainder.

1,2,4,229,458,916

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 916,170,21 . The biggest common factor number is the GCF number.
So the greatest common factor 916,170,21 is 1.

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

• GCF of 604, 528, 66
• GCF of 785, 831, 79
• GCF of 600, 556, 98
• GCF of 582, 873, 67
• GCF of 115, 807, 79

1. What is the GCF of 916, 170, 21?

Answer: GCF of 916, 170, 21 is 1.

2. How to Find the GCF of 916, 170, 21

Answer: Greatest Common Factor(GCF) of 916, 170, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(916, 170, 21) = 1.