Greatest Common Factor of 953, 423, 21

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

• Greatest Common Factor of 953, 423, 21 by common division method
• Greatest Common Factor of 953, 423, 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 953

List of positive integer factors of 953 that divides 953 without a remainder.

1,953

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

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 953,423,21 . The biggest common factor number is the GCF number.
So the greatest common factor 953,423,21 is 1.

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

• GCF of 206, 279, 62
• GCF of 246, 361, 65
• GCF of 277, 204, 44
• GCF of 223, 770, 10
• GCF of 296, 463, 56

1. What is the GCF of 953, 423, 21?

Answer: GCF of 953, 423, 21 is 1.

2. How to Find the GCF of 953, 423, 21

Answer: Greatest Common Factor(GCF) of 953, 423, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(953, 423, 21) = 1.