Greatest Common Factor of 721, 957, 421

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

• Greatest Common Factor of 721, 957, 421 by common division method
• Greatest Common Factor of 721, 957, 421 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 957

List of positive integer factors of 957 that divides 957 without a remainder.

1,3,11,29,33,87,319,957

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 721,957,421 . The biggest common factor number is the GCF number.
So the greatest common factor 721,957,421 is 1.

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

• GCF of 966, 178, 797
• GCF of 145, 344, 904
• GCF of 931, 582, 693
• GCF of 134, 870, 676
• GCF of 580, 329, 556

1. What is the GCF of 721, 957, 421?

Answer: GCF of 721, 957, 421 is 1.

2. How to Find the GCF of 721, 957, 421

Answer: Greatest Common Factor(GCF) of 721, 957, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 957, 421) = 1.