Greatest Common Factor of 21, 10, 55, 598

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

• Greatest Common Factor of 21, 10, 55, 598 by common division method
• Greatest Common Factor of 21, 10, 55, 598 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 598

List of positive integer factors of 598 that divides 598 without a remainder.

1,2,13,23,26,46,299,598

Greatest Common Factor

We found the factors 21,10,55,598 . The biggest common factor number is the GCF number.
So the greatest common factor 21,10,55,598 is 1.

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

• GCF of 38, 30, 32, 257
• GCF of 28, 98, 83, 735
• GCF of 56, 73, 92, 811
• GCF of 32, 85, 37, 816
• GCF of 85, 44, 51, 744

1. What is the GCF of 21, 10, 55, 598?

Answer: GCF of 21, 10, 55, 598 is 1.

2. How to Find the GCF of 21, 10, 55, 598

Answer: Greatest Common Factor(GCF) of 21, 10, 55, 598 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 10, 55, 598) = 1.