Greatest Common Factor of 319, 155, 21

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

• Greatest Common Factor of 319, 155, 21 by common division method
• Greatest Common Factor of 319, 155, 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 319

List of positive integer factors of 319 that divides 319 without a remainder.

1,11,29,319

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

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 319,155,21 . The biggest common factor number is the GCF number.
So the greatest common factor 319,155,21 is 1.

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

• GCF of 702, 628, 29
• GCF of 305, 347, 69
• GCF of 857, 539, 94
• GCF of 634, 349, 16
• GCF of 812, 109, 35

1. What is the GCF of 319, 155, 21?

Answer: GCF of 319, 155, 21 is 1.

2. How to Find the GCF of 319, 155, 21

Answer: Greatest Common Factor(GCF) of 319, 155, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(319, 155, 21) = 1.