Greatest Common Factor of 66, 45, 978

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

• Greatest Common Factor of 66, 45, 978 by common division method
• Greatest Common Factor of 66, 45, 978 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 45

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

1,3,5,9,15,45

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 66,45,978 . The biggest common factor number is the GCF number.
So the greatest common factor 66,45,978 is 3.

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

• GCF of 90, 25, 150
• GCF of 44, 74, 938
• GCF of 25, 36, 977
• GCF of 89, 32, 200
• GCF of 72, 47, 190

1. What is the GCF of 66, 45, 978?

Answer: GCF of 66, 45, 978 is 3.

2. How to Find the GCF of 66, 45, 978

Answer: Greatest Common Factor(GCF) of 66, 45, 978 = 3

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

Step 2: Then multiply all the prime factors GCF(66, 45, 978) = 3.