Greatest Common Factor of 21, 31, 87, 582

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

• Greatest Common Factor of 21, 31, 87, 582 by common division method
• Greatest Common Factor of 21, 31, 87, 582 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 582

List of positive integer factors of 582 that divides 582 without a remainder.

1,2,3,6,97,194,291,582

Greatest Common Factor

We found the factors 21,31,87,582 . The biggest common factor number is the GCF number.
So the greatest common factor 21,31,87,582 is 1.

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

• GCF of 31, 64, 90, 878
• GCF of 87, 95, 99, 942
• GCF of 91, 45, 89, 566
• GCF of 31, 39, 49, 365
• GCF of 84, 67, 92, 559

1. What is the GCF of 21, 31, 87, 582?

Answer: GCF of 21, 31, 87, 582 is 1.

2. How to Find the GCF of 21, 31, 87, 582

Answer: Greatest Common Factor(GCF) of 21, 31, 87, 582 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 31, 87, 582) = 1.