Greatest Common Factor of 45, 42, 207

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

• Greatest Common Factor of 45, 42, 207 by common division method
• Greatest Common Factor of 45, 42, 207 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 45,42,207 . The biggest common factor number is the GCF number.
So the greatest common factor 45,42,207 is 3.

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

• GCF of 53, 94, 481
• GCF of 76, 66, 521
• GCF of 86, 20, 169
• GCF of 44, 39, 907
• GCF of 45, 31, 388

1. What is the GCF of 45, 42, 207?

Answer: GCF of 45, 42, 207 is 3.

2. How to Find the GCF of 45, 42, 207

Answer: Greatest Common Factor(GCF) of 45, 42, 207 = 3

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

Step 2: Then multiply all the prime factors GCF(45, 42, 207) = 3.