Greatest Common Factor of 21, 29, 234, 172

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

• Greatest Common Factor of 21, 29, 234, 172 by common division method
• Greatest Common Factor of 21, 29, 234, 172 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 21

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

1,3,7,21

Factors of 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 234

List of positive integer factors of 234 that divides 234 without a remainder.

1,2,3,6,9,13,18,26,39,78,117,234

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 21,29,234,172 . The biggest common factor number is the GCF number.
So the greatest common factor 21,29,234,172 is 1.

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

• GCF of 14, 91, 750, 156
• GCF of 18, 56, 472, 143
• GCF of 29, 28, 205, 125
• GCF of 98, 12, 258, 808
• GCF of 45, 68, 245, 708

1. What is the GCF of 21, 29, 234, 172?

Answer: GCF of 21, 29, 234, 172 is 1.

2. How to Find the GCF of 21, 29, 234, 172

Answer: Greatest Common Factor(GCF) of 21, 29, 234, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 29, 234, 172) = 1.