Greatest Common Factor of 643, 322, 13

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

• Greatest Common Factor of 643, 322, 13 by common division method
• Greatest Common Factor of 643, 322, 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 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Factors of 322

List of positive integer factors of 322 that divides 322 without a remainder.

1,2,7,14,23,46,161,322

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 643,322,13 . The biggest common factor number is the GCF number.
So the greatest common factor 643,322,13 is 1.

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

• GCF of 424, 222, 82
• GCF of 783, 921, 34
• GCF of 267, 676, 45
• GCF of 529, 665, 82
• GCF of 224, 475, 77

1. What is the GCF of 643, 322, 13?

Answer: GCF of 643, 322, 13 is 1.

2. How to Find the GCF of 643, 322, 13

Answer: Greatest Common Factor(GCF) of 643, 322, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(643, 322, 13) = 1.