Greatest Common Factor of 66, 51, 90, 69

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

• Greatest Common Factor of 66, 51, 90, 69 by common division method
• Greatest Common Factor of 66, 51, 90, 69 with matching the biggest common factor

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∴ 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Greatest Common Factor

We found the factors 66,51,90,69 . The biggest common factor number is the GCF number.
So the greatest common factor 66,51,90,69 is 3.

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

• GCF of 59, 47, 92, 21
• GCF of 94, 33, 96, 38
• GCF of 80, 83, 50, 97
• GCF of 84, 11, 47, 51
• GCF of 57, 25, 36, 34

1. What is the GCF of 66, 51, 90, 69?

Answer: GCF of 66, 51, 90, 69 is 3.

2. How to Find the GCF of 66, 51, 90, 69

Answer: Greatest Common Factor(GCF) of 66, 51, 90, 69 = 3

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

Step 2: Then multiply all the prime factors GCF(66, 51, 90, 69) = 3.