Greatest Common Factor of 21, 945, 203

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

• Greatest Common Factor of 21, 945, 203 by common division method
• Greatest Common Factor of 21, 945, 203 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 21

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

1,3,7,21

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

Greatest Common Factor

We found the factors 21,945,203 . The biggest common factor number is the GCF number.
So the greatest common factor 21,945,203 is 7.

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

• GCF of 64, 101, 857
• GCF of 39, 138, 466
• GCF of 21, 454, 788
• GCF of 29, 626, 365
• GCF of 66, 415, 151

1. What is the GCF of 21, 945, 203?

Answer: GCF of 21, 945, 203 is 7.

2. How to Find the GCF of 21, 945, 203

Answer: Greatest Common Factor(GCF) of 21, 945, 203 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 945, 203) = 7.