Greatest Common Factor of 21, 70, 913

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

• Greatest Common Factor of 21, 70, 913 by common division method
• Greatest Common Factor of 21, 70, 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 21

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

1,3,7,21

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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 21,70,913 . The biggest common factor number is the GCF number.
So the greatest common factor 21,70,913 is 1.

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

• GCF of 16, 45, 449
• GCF of 76, 95, 522
• GCF of 50, 88, 903
• GCF of 16, 87, 193
• GCF of 27, 28, 856

1. What is the GCF of 21, 70, 913?

Answer: GCF of 21, 70, 913 is 1.

2. How to Find the GCF of 21, 70, 913

Answer: Greatest Common Factor(GCF) of 21, 70, 913 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 70, 913) = 1.