Greatest Common Factor of 178, 349, 21

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

• Greatest Common Factor of 178, 349, 21 by common division method
• Greatest Common Factor of 178, 349, 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 178

List of positive integer factors of 178 that divides 178 without a remainder.

1,2,89,178

Factors of 349

List of positive integer factors of 349 that divides 349 without a remainder.

1,349

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 178,349,21 . The biggest common factor number is the GCF number.
So the greatest common factor 178,349,21 is 1.

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

• GCF of 472, 757, 16
• GCF of 324, 337, 19
• GCF of 255, 104, 28
• GCF of 396, 257, 48
• GCF of 615, 658, 56

1. What is the GCF of 178, 349, 21?

Answer: GCF of 178, 349, 21 is 1.

2. How to Find the GCF of 178, 349, 21

Answer: Greatest Common Factor(GCF) of 178, 349, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(178, 349, 21) = 1.