Greatest Common Factor of 16, 13, 80, 666

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

• Greatest Common Factor of 16, 13, 80, 666 by common division method
• Greatest Common Factor of 16, 13, 80, 666 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 666

List of positive integer factors of 666 that divides 666 without a remainder.

1,2,3,6,9,18,37,74,111,222,333,666

Greatest Common Factor

We found the factors 16,13,80,666 . The biggest common factor number is the GCF number.
So the greatest common factor 16,13,80,666 is 1.

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

• GCF of 19, 12, 23, 633
• GCF of 10, 15, 95, 711
• GCF of 66, 34, 47, 820
• GCF of 32, 75, 25, 520
• GCF of 79, 24, 70, 803

1. What is the GCF of 16, 13, 80, 666?

Answer: GCF of 16, 13, 80, 666 is 1.

2. How to Find the GCF of 16, 13, 80, 666

Answer: Greatest Common Factor(GCF) of 16, 13, 80, 666 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 13, 80, 666) = 1.