Greatest Common Factor of 45, 10, 66

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

• Greatest Common Factor of 45, 10, 66 by common division method
• Greatest Common Factor of 45, 10, 66 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 45

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

1,3,5,9,15,45

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 66

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

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

Greatest Common Factor

We found the factors 45,10,66 . The biggest common factor number is the GCF number.
So the greatest common factor 45,10,66 is 1.

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

• GCF of 42, 93, 31
• GCF of 16, 73, 77
• GCF of 87, 67, 29
• GCF of 86, 64, 91
• GCF of 55, 69, 18

1. What is the GCF of 45, 10, 66?

Answer: GCF of 45, 10, 66 is 1.

2. How to Find the GCF of 45, 10, 66

Answer: Greatest Common Factor(GCF) of 45, 10, 66 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 10, 66) = 1.