Greatest Common Factor of 77, 73, 18, 20, 98

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

• Greatest Common Factor of 77, 73, 18, 20, 98 by common division method
• Greatest Common Factor of 77, 73, 18, 20, 98 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 77

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

1,7,11,77

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 98

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

1,2,7,14,49,98

Greatest Common Factor

We found the factors 77,73,18,20,98 . The biggest common factor number is the GCF number.
So the greatest common factor 77,73,18,20,98 is 1.

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

• GCF of 53, 71, 19, 66, 44
• GCF of 11, 11, 91, 10, 33
• GCF of 76, 92, 84, 70, 34
• GCF of 59, 71, 17, 45, 84
• GCF of 72, 35, 99, 80, 26

1. What is the GCF of 77, 73, 18, 20, 98?

Answer: GCF of 77, 73, 18, 20, 98 is 1.

2. How to Find the GCF of 77, 73, 18, 20, 98

Answer: Greatest Common Factor(GCF) of 77, 73, 18, 20, 98 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 73, 18, 20, 98) = 1.