Greatest Common Factor of 961, 217, 81

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

• Greatest Common Factor of 961, 217, 81 by common division method
• Greatest Common Factor of 961, 217, 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 961

List of positive integer factors of 961 that divides 961 without a remainder.

1,31,961

Factors of 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

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 961,217,81 . The biggest common factor number is the GCF number.
So the greatest common factor 961,217,81 is 1.

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

• GCF of 508, 282, 33
• GCF of 234, 423, 95
• GCF of 761, 345, 41
• GCF of 517, 790, 99
• GCF of 517, 387, 61

1. What is the GCF of 961, 217, 81?

Answer: GCF of 961, 217, 81 is 1.

2. How to Find the GCF of 961, 217, 81

Answer: Greatest Common Factor(GCF) of 961, 217, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(961, 217, 81) = 1.