Greatest Common Factor of 72, 21, 102

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

• Greatest Common Factor of 72, 21, 102 by common division method
• Greatest Common Factor of 72, 21, 102 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 102

List of positive integer factors of 102 that divides 102 without a remainder.

1,2,3,6,17,34,51,102

Greatest Common Factor

We found the factors 72,21,102 . The biggest common factor number is the GCF number.
So the greatest common factor 72,21,102 is 3.

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

• GCF of 90, 92, 717
• GCF of 81, 96, 461
• GCF of 75, 77, 400
• GCF of 25, 91, 510
• GCF of 94, 33, 229

1. What is the GCF of 72, 21, 102?

Answer: GCF of 72, 21, 102 is 3.

2. How to Find the GCF of 72, 21, 102

Answer: Greatest Common Factor(GCF) of 72, 21, 102 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 21, 102) = 3.