Greatest Common Factor of 173, 252, 21

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

• Greatest Common Factor of 173, 252, 21 by common division method
• Greatest Common Factor of 173, 252, 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 173

List of positive integer factors of 173 that divides 173 without a remainder.

1,173

Factors of 252

List of positive integer factors of 252 that divides 252 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,28,36,42,63,84,126,252

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 173,252,21 . The biggest common factor number is the GCF number.
So the greatest common factor 173,252,21 is 1.

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

• GCF of 866, 330, 91
• GCF of 533, 644, 13
• GCF of 456, 339, 55
• GCF of 980, 995, 93
• GCF of 377, 859, 97

1. What is the GCF of 173, 252, 21?

Answer: GCF of 173, 252, 21 is 1.

2. How to Find the GCF of 173, 252, 21

Answer: Greatest Common Factor(GCF) of 173, 252, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(173, 252, 21) = 1.