Greatest Common Factor of 21, 87, 141

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

• Greatest Common Factor of 21, 87, 141 by common division method
• Greatest Common Factor of 21, 87, 141 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 21

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

1,3,7,21

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 141

List of positive integer factors of 141 that divides 141 without a remainder.

1,3,47,141

Greatest Common Factor

We found the factors 21,87,141 . The biggest common factor number is the GCF number.
So the greatest common factor 21,87,141 is 3.

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

• GCF of 71, 81, 936
• GCF of 28, 19, 376
• GCF of 84, 77, 634
• GCF of 79, 22, 423
• GCF of 88, 72, 269

1. What is the GCF of 21, 87, 141?

Answer: GCF of 21, 87, 141 is 3.

2. How to Find the GCF of 21, 87, 141

Answer: Greatest Common Factor(GCF) of 21, 87, 141 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 87, 141) = 3.