Greatest Common Factor of 13, 40, 649

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

• Greatest Common Factor of 13, 40, 649 by common division method
• Greatest Common Factor of 13, 40, 649 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 13

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

1,13

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 649

List of positive integer factors of 649 that divides 649 without a remainder.

1,11,59,649

Greatest Common Factor

We found the factors 13,40,649 . The biggest common factor number is the GCF number.
So the greatest common factor 13,40,649 is 1.

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

• GCF of 39, 60, 663
• GCF of 15, 86, 943
• GCF of 49, 38, 590
• GCF of 18, 49, 964
• GCF of 93, 10, 190

1. What is the GCF of 13, 40, 649?

Answer: GCF of 13, 40, 649 is 1.

2. How to Find the GCF of 13, 40, 649

Answer: Greatest Common Factor(GCF) of 13, 40, 649 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 40, 649) = 1.