Greatest Common Factor of 21, 71, 540, 222

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

• Greatest Common Factor of 21, 71, 540, 222 by common division method
• Greatest Common Factor of 21, 71, 540, 222 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Factors of 222

List of positive integer factors of 222 that divides 222 without a remainder.

1,2,3,6,37,74,111,222

Greatest Common Factor

We found the factors 21,71,540,222 . The biggest common factor number is the GCF number.
So the greatest common factor 21,71,540,222 is 1.

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

• GCF of 28, 38, 395, 570
• GCF of 84, 71, 513, 231
• GCF of 65, 29, 458, 456
• GCF of 59, 90, 275, 870
• GCF of 96, 53, 560, 841

1. What is the GCF of 21, 71, 540, 222?

Answer: GCF of 21, 71, 540, 222 is 1.

2. How to Find the GCF of 21, 71, 540, 222

Answer: Greatest Common Factor(GCF) of 21, 71, 540, 222 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 71, 540, 222) = 1.