Greatest Common Factor of 19, 21, 913

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

• Greatest Common Factor of 19, 21, 913 by common division method
• Greatest Common Factor of 19, 21, 913 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 913

List of positive integer factors of 913 that divides 913 without a remainder.

1,11,83,913

Greatest Common Factor

We found the factors 19,21,913 . The biggest common factor number is the GCF number.
So the greatest common factor 19,21,913 is 1.

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

• GCF of 77, 90, 958
• GCF of 87, 37, 525
• GCF of 59, 68, 806
• GCF of 45, 35, 809
• GCF of 77, 51, 842

1. What is the GCF of 19, 21, 913?

Answer: GCF of 19, 21, 913 is 1.

2. How to Find the GCF of 19, 21, 913

Answer: Greatest Common Factor(GCF) of 19, 21, 913 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 21, 913) = 1.