Greatest Common Factor of 42, 45, 249

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

• Greatest Common Factor of 42, 45, 249 by common division method
• Greatest Common Factor of 42, 45, 249 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 42

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

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

Factors of 45

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

1,3,5,9,15,45

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 42,45,249 . The biggest common factor number is the GCF number.
So the greatest common factor 42,45,249 is 3.

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

• GCF of 23, 14, 264
• GCF of 96, 63, 159
• GCF of 28, 35, 976
• GCF of 60, 67, 490
• GCF of 97, 99, 748

1. What is the GCF of 42, 45, 249?

Answer: GCF of 42, 45, 249 is 3.

2. How to Find the GCF of 42, 45, 249

Answer: Greatest Common Factor(GCF) of 42, 45, 249 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 45, 249) = 3.