Greatest Common Factor of 991, 170, 16

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

• Greatest Common Factor of 991, 170, 16 by common division method
• Greatest Common Factor of 991, 170, 16 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 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 991,170,16 . The biggest common factor number is the GCF number.
So the greatest common factor 991,170,16 is 1.

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

• GCF of 254, 500, 59
• GCF of 616, 265, 37
• GCF of 861, 960, 87
• GCF of 844, 794, 17
• GCF of 247, 756, 23

1. What is the GCF of 991, 170, 16?

Answer: GCF of 991, 170, 16 is 1.

2. How to Find the GCF of 991, 170, 16

Answer: Greatest Common Factor(GCF) of 991, 170, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 170, 16) = 1.