Greatest Common Factor of 640, 872, 13

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

• Greatest Common Factor of 640, 872, 13 by common division method
• Greatest Common Factor of 640, 872, 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 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1,2,4,8,109,218,436,872

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 640,872,13 . The biggest common factor number is the GCF number.
So the greatest common factor 640,872,13 is 1.

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

• GCF of 894, 519, 19
• GCF of 344, 999, 97
• GCF of 966, 977, 61
• GCF of 944, 557, 56
• GCF of 518, 738, 34

1. What is the GCF of 640, 872, 13?

Answer: GCF of 640, 872, 13 is 1.

2. How to Find the GCF of 640, 872, 13

Answer: Greatest Common Factor(GCF) of 640, 872, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(640, 872, 13) = 1.