Greatest Common Factor of 16, 80, 21, 951

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

• Greatest Common Factor of 16, 80, 21, 951 by common division method
• Greatest Common Factor of 16, 80, 21, 951 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 16

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

1,2,4,8,16

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 21

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

1,3,7,21

Factors of 951

List of positive integer factors of 951 that divides 951 without a remainder.

1,3,317,951

Greatest Common Factor

We found the factors 16,80,21,951 . The biggest common factor number is the GCF number.
So the greatest common factor 16,80,21,951 is 1.

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

• GCF of 98, 39, 30, 657
• GCF of 52, 22, 88, 986
• GCF of 33, 69, 19, 319
• GCF of 81, 37, 60, 148
• GCF of 46, 19, 93, 458

1. What is the GCF of 16, 80, 21, 951?

Answer: GCF of 16, 80, 21, 951 is 1.

2. How to Find the GCF of 16, 80, 21, 951

Answer: Greatest Common Factor(GCF) of 16, 80, 21, 951 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 80, 21, 951) = 1.