Greatest Common Factor of 66, 61, 52, 30

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

• Greatest Common Factor of 66, 61, 52, 30 by common division method
• Greatest Common Factor of 66, 61, 52, 30 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 66

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

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

Factors of 61

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

1,61

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 66,61,52,30 . The biggest common factor number is the GCF number.
So the greatest common factor 66,61,52,30 is 1.

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

• GCF of 77, 25, 84, 47
• GCF of 47, 37, 68, 18
• GCF of 92, 73, 24, 43
• GCF of 62, 74, 23, 26
• GCF of 23, 72, 84, 27

1. What is the GCF of 66, 61, 52, 30?

Answer: GCF of 66, 61, 52, 30 is 1.

2. How to Find the GCF of 66, 61, 52, 30

Answer: Greatest Common Factor(GCF) of 66, 61, 52, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 61, 52, 30) = 1.