Greatest Common Factor of 98, 69, 91, 30

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

• Greatest Common Factor of 98, 69, 91, 30 by common division method
• Greatest Common Factor of 98, 69, 91, 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 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 69

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

1,3,23,69

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

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 98,69,91,30 . The biggest common factor number is the GCF number.
So the greatest common factor 98,69,91,30 is 1.

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

• GCF of 83, 43, 32, 85
• GCF of 53, 37, 40, 79
• GCF of 52, 70, 44, 46
• GCF of 85, 21, 31, 72
• GCF of 55, 99, 50, 10

1. What is the GCF of 98, 69, 91, 30?

Answer: GCF of 98, 69, 91, 30 is 1.

2. How to Find the GCF of 98, 69, 91, 30

Answer: Greatest Common Factor(GCF) of 98, 69, 91, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 69, 91, 30) = 1.