Greatest Common Factor of 980, 145, 81

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

• Greatest Common Factor of 980, 145, 81 by common division method
• Greatest Common Factor of 980, 145, 81 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 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 980,145,81 . The biggest common factor number is the GCF number.
So the greatest common factor 980,145,81 is 1.

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

• GCF of 409, 556, 75
• GCF of 849, 140, 78
• GCF of 596, 335, 53
• GCF of 832, 832, 16
• GCF of 230, 958, 95

1. What is the GCF of 980, 145, 81?

Answer: GCF of 980, 145, 81 is 1.

2. How to Find the GCF of 980, 145, 81

Answer: Greatest Common Factor(GCF) of 980, 145, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(980, 145, 81) = 1.