Greatest Common Factor of 21, 57, 89, 422

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

• Greatest Common Factor of 21, 57, 89, 422 by common division method
• Greatest Common Factor of 21, 57, 89, 422 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 422

List of positive integer factors of 422 that divides 422 without a remainder.

1,2,211,422

Greatest Common Factor

We found the factors 21,57,89,422 . The biggest common factor number is the GCF number.
So the greatest common factor 21,57,89,422 is 1.

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

• GCF of 74, 91, 61, 741
• GCF of 12, 77, 65, 217
• GCF of 37, 76, 41, 269
• GCF of 12, 10, 15, 422
• GCF of 73, 16, 63, 769

1. What is the GCF of 21, 57, 89, 422?

Answer: GCF of 21, 57, 89, 422 is 1.

2. How to Find the GCF of 21, 57, 89, 422

Answer: Greatest Common Factor(GCF) of 21, 57, 89, 422 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 57, 89, 422) = 1.