Greatest Common Factor of 21, 10, 47, 899

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

• Greatest Common Factor of 21, 10, 47, 899 by common division method
• Greatest Common Factor of 21, 10, 47, 899 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 47

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

1,47

Factors of 899

List of positive integer factors of 899 that divides 899 without a remainder.

1,29,31,899

Greatest Common Factor

We found the factors 21,10,47,899 . The biggest common factor number is the GCF number.
So the greatest common factor 21,10,47,899 is 1.

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

• GCF of 47, 20, 14, 738
• GCF of 24, 44, 10, 455
• GCF of 52, 98, 54, 783
• GCF of 89, 68, 45, 450
• GCF of 10, 53, 96, 355

1. What is the GCF of 21, 10, 47, 899?

Answer: GCF of 21, 10, 47, 899 is 1.

2. How to Find the GCF of 21, 10, 47, 899

Answer: Greatest Common Factor(GCF) of 21, 10, 47, 899 = 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, 47, 899) = 1.