Greatest Common Factor of 21, 47, 741, 839

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

• Greatest Common Factor of 21, 47, 741, 839 by common division method
• Greatest Common Factor of 21, 47, 741, 839 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 741

List of positive integer factors of 741 that divides 741 without a remainder.

1,3,13,19,39,57,247,741

Factors of 839

List of positive integer factors of 839 that divides 839 without a remainder.

1,839

Greatest Common Factor

We found the factors 21,47,741,839 . The biggest common factor number is the GCF number.
So the greatest common factor 21,47,741,839 is 1.

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

• GCF of 59, 26, 871, 492
• GCF of 75, 25, 262, 888
• GCF of 65, 97, 741, 745
• GCF of 94, 54, 319, 495
• GCF of 71, 39, 102, 572

1. What is the GCF of 21, 47, 741, 839?

Answer: GCF of 21, 47, 741, 839 is 1.

2. How to Find the GCF of 21, 47, 741, 839

Answer: Greatest Common Factor(GCF) of 21, 47, 741, 839 = 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, 741, 839) = 1.