Greatest Common Factor of 30, 55, 85, 798

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

• Greatest Common Factor of 30, 55, 85, 798 by common division method
• Greatest Common Factor of 30, 55, 85, 798 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 30

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

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

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 798

List of positive integer factors of 798 that divides 798 without a remainder.

1,2,3,6,7,14,19,21,38,42,57,114,133,266,399,798

Greatest Common Factor

We found the factors 30,55,85,798 . The biggest common factor number is the GCF number.
So the greatest common factor 30,55,85,798 is 1.

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

• GCF of 15, 41, 97, 379
• GCF of 71, 10, 31, 386
• GCF of 71, 77, 67, 708
• GCF of 78, 68, 74, 464
• GCF of 65, 40, 59, 422

1. What is the GCF of 30, 55, 85, 798?

Answer: GCF of 30, 55, 85, 798 is 1.

2. How to Find the GCF of 30, 55, 85, 798

Answer: Greatest Common Factor(GCF) of 30, 55, 85, 798 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 55, 85, 798) = 1.