Greatest Common Factor of 21, 47, 73, 17, 564

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

• Greatest Common Factor of 21, 47, 73, 17, 564 by common division method
• Greatest Common Factor of 21, 47, 73, 17, 564 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 564

List of positive integer factors of 564 that divides 564 without a remainder.

1,2,3,4,6,12,47,94,141,188,282,564

Greatest Common Factor

We found the factors 21,47,73,17,564 . The biggest common factor number is the GCF number.
So the greatest common factor 21,47,73,17,564 is 1.

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

• GCF of 77, 68, 85, 29, 828
• GCF of 30, 24, 74, 40, 653
• GCF of 29, 64, 21, 48, 316
• GCF of 14, 15, 78, 33, 268
• GCF of 90, 78, 56, 66, 834

1. What is the GCF of 21, 47, 73, 17, 564?

Answer: GCF of 21, 47, 73, 17, 564 is 1.

2. How to Find the GCF of 21, 47, 73, 17, 564

Answer: Greatest Common Factor(GCF) of 21, 47, 73, 17, 564 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 47, 73, 17, 564) = 1.