Greatest Common Factor of 126, 558, 21

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

• Greatest Common Factor of 126, 558, 21 by common division method
• Greatest Common Factor of 126, 558, 21 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 126

List of positive integer factors of 126 that divides 126 without a remainder.

1,2,3,6,7,9,14,18,21,42,63,126

Factors of 558

List of positive integer factors of 558 that divides 558 without a remainder.

1,2,3,6,9,18,31,62,93,186,279,558

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 126,558,21 . The biggest common factor number is the GCF number.
So the greatest common factor 126,558,21 is 3.

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

• GCF of 226, 253, 90
• GCF of 622, 484, 17
• GCF of 825, 767, 24
• GCF of 301, 504, 84
• GCF of 224, 681, 82

1. What is the GCF of 126, 558, 21?

Answer: GCF of 126, 558, 21 is 3.

2. How to Find the GCF of 126, 558, 21

Answer: Greatest Common Factor(GCF) of 126, 558, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(126, 558, 21) = 3.