Greatest Common Factor of 21, 13, 72, 50, 875

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

• Greatest Common Factor of 21, 13, 72, 50, 875 by common division method
• Greatest Common Factor of 21, 13, 72, 50, 875 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 875

List of positive integer factors of 875 that divides 875 without a remainder.

1,5,7,25,35,125,175,875

Greatest Common Factor

We found the factors 21,13,72,50,875 . The biggest common factor number is the GCF number.
So the greatest common factor 21,13,72,50,875 is 1.

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

• GCF of 76, 29, 24, 26, 552
• GCF of 94, 94, 30, 63, 374
• GCF of 13, 73, 67, 53, 483
• GCF of 18, 38, 10, 48, 546
• GCF of 34, 31, 43, 55, 337

1. What is the GCF of 21, 13, 72, 50, 875?

Answer: GCF of 21, 13, 72, 50, 875 is 1.

2. How to Find the GCF of 21, 13, 72, 50, 875

Answer: Greatest Common Factor(GCF) of 21, 13, 72, 50, 875 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 13, 72, 50, 875) = 1.