Greatest Common Factor of 61, 34, 77, 30

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

• Greatest Common Factor of 61, 34, 77, 30 by common division method
• Greatest Common Factor of 61, 34, 77, 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 61

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

1,61

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

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 61,34,77,30 . The biggest common factor number is the GCF number.
So the greatest common factor 61,34,77,30 is 1.

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

• GCF of 96, 82, 93, 94
• GCF of 18, 21, 64, 93
• GCF of 34, 91, 16, 94
• GCF of 97, 23, 89, 53
• GCF of 33, 58, 27, 41

1. What is the GCF of 61, 34, 77, 30?

Answer: GCF of 61, 34, 77, 30 is 1.

2. How to Find the GCF of 61, 34, 77, 30

Answer: Greatest Common Factor(GCF) of 61, 34, 77, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 34, 77, 30) = 1.