Greatest Common Factor of 125, 105, 21

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

• Greatest Common Factor of 125, 105, 21 by common division method
• Greatest Common Factor of 125, 105, 21 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 125

List of positive integer factors of 125 that divides 125 without a remainder.

1,5,25,125

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

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 125,105,21 . The biggest common factor number is the GCF number.
So the greatest common factor 125,105,21 is 1.

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

• GCF of 521, 879, 79
• GCF of 226, 668, 73
• GCF of 568, 541, 38
• GCF of 406, 522, 61
• GCF of 219, 223, 98

1. What is the GCF of 125, 105, 21?

Answer: GCF of 125, 105, 21 is 1.

2. How to Find the GCF of 125, 105, 21

Answer: Greatest Common Factor(GCF) of 125, 105, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(125, 105, 21) = 1.