Greatest Common Factor of 16, 21, 39, 673

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

• Greatest Common Factor of 16, 21, 39, 673 by common division method
• Greatest Common Factor of 16, 21, 39, 673 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 21

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

1,3,7,21

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 673

List of positive integer factors of 673 that divides 673 without a remainder.

1,673

Greatest Common Factor

We found the factors 16,21,39,673 . The biggest common factor number is the GCF number.
So the greatest common factor 16,21,39,673 is 1.

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

• GCF of 46, 47, 38, 134
• GCF of 68, 84, 86, 832
• GCF of 47, 79, 64, 285
• GCF of 63, 17, 62, 600
• GCF of 71, 31, 39, 782

1. What is the GCF of 16, 21, 39, 673?

Answer: GCF of 16, 21, 39, 673 is 1.

2. How to Find the GCF of 16, 21, 39, 673

Answer: Greatest Common Factor(GCF) of 16, 21, 39, 673 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 21, 39, 673) = 1.