Greatest Common Factor of 997, 442, 687, 256, 165

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

• Greatest Common Factor of 997, 442, 687, 256, 165 by common division method
• Greatest Common Factor of 997, 442, 687, 256, 165 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 997

List of positive integer factors of 997 that divides 997 without a remainder.

1,997

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Factors of 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Factors of 256

List of positive integer factors of 256 that divides 256 without a remainder.

1,2,4,8,16,32,64,128,256

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Greatest Common Factor

We found the factors 997,442,687,256,165 . The biggest common factor number is the GCF number.
So the greatest common factor 997,442,687,256,165 is 1.

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

• GCF of 824, 986, 120, 463, 360
• GCF of 216, 966, 938, 443, 994
• GCF of 271, 417, 135, 277, 663
• GCF of 778, 517, 552, 317, 733
• GCF of 946, 178, 440, 179, 502

1. What is the GCF of 997, 442, 687, 256, 165?

Answer: GCF of 997, 442, 687, 256, 165 is 1.

2. How to Find the GCF of 997, 442, 687, 256, 165

Answer: Greatest Common Factor(GCF) of 997, 442, 687, 256, 165 = 1

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

Step 2: Then multiply all the prime factors GCF(997, 442, 687, 256, 165) = 1.