Greatest Common Factor of 21, 72, 84, 107

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

• Greatest Common Factor of 21, 72, 84, 107 by common division method
• Greatest Common Factor of 21, 72, 84, 107 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 107

List of positive integer factors of 107 that divides 107 without a remainder.

1,107

Greatest Common Factor

We found the factors 21,72,84,107 . The biggest common factor number is the GCF number.
So the greatest common factor 21,72,84,107 is 1.

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

• GCF of 73, 42, 44, 768
• GCF of 90, 95, 65, 451
• GCF of 97, 36, 65, 274
• GCF of 79, 71, 82, 410
• GCF of 53, 84, 65, 565

1. What is the GCF of 21, 72, 84, 107?

Answer: GCF of 21, 72, 84, 107 is 1.

2. How to Find the GCF of 21, 72, 84, 107

Answer: Greatest Common Factor(GCF) of 21, 72, 84, 107 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 72, 84, 107) = 1.