Greatest Common Factor of 280, 658, 13

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

• Greatest Common Factor of 280, 658, 13 by common division method
• Greatest Common Factor of 280, 658, 13 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 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Factors of 658

List of positive integer factors of 658 that divides 658 without a remainder.

1,2,7,14,47,94,329,658

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 280,658,13 . The biggest common factor number is the GCF number.
So the greatest common factor 280,658,13 is 1.

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

• GCF of 581, 266, 80
• GCF of 317, 248, 91
• GCF of 218, 687, 41
• GCF of 639, 756, 59
• GCF of 204, 348, 96

1. What is the GCF of 280, 658, 13?

Answer: GCF of 280, 658, 13 is 1.

2. How to Find the GCF of 280, 658, 13

Answer: Greatest Common Factor(GCF) of 280, 658, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(280, 658, 13) = 1.