Greatest Common Factor of 473, 858, 21

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

• Greatest Common Factor of 473, 858, 21 by common division method
• Greatest Common Factor of 473, 858, 21 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 473

List of positive integer factors of 473 that divides 473 without a remainder.

1,11,43,473

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 473,858,21 . The biggest common factor number is the GCF number.
So the greatest common factor 473,858,21 is 1.

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

• GCF of 518, 215, 83
• GCF of 662, 392, 49
• GCF of 245, 797, 22
• GCF of 646, 562, 33
• GCF of 523, 104, 68

1. What is the GCF of 473, 858, 21?

Answer: GCF of 473, 858, 21 is 1.

2. How to Find the GCF of 473, 858, 21

Answer: Greatest Common Factor(GCF) of 473, 858, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(473, 858, 21) = 1.