Greatest Common Factor of 8, 66, 12, 61

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

• Greatest Common Factor of 8, 66, 12, 61 by common division method
• Greatest Common Factor of 8, 66, 12, 61 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 8,66,12,61 . The biggest common factor number is the GCF number.
So the greatest common factor 8,66,12,61 is 1.

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

• GCF of 7, 46, 77, 49
• GCF of 8, 79, 35, 64
• GCF of 4, 21, 69, 22
• GCF of 3, 71, 98, 60
• GCF of 8, 28, 73, 40

1. What is the GCF of 8, 66, 12, 61?

Answer: GCF of 8, 66, 12, 61 is 1.

2. How to Find the GCF of 8, 66, 12, 61

Answer: Greatest Common Factor(GCF) of 8, 66, 12, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(8, 66, 12, 61) = 1.