Greatest Common Factor of 16, 64, 81, 655

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

• Greatest Common Factor of 16, 64, 81, 655 by common division method
• Greatest Common Factor of 16, 64, 81, 655 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

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

Factors of 81

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

1,3,9,27,81

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 16,64,81,655 . The biggest common factor number is the GCF number.
So the greatest common factor 16,64,81,655 is 1.

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

• GCF of 44, 79, 32, 791
• GCF of 29, 77, 69, 170
• GCF of 28, 88, 86, 489
• GCF of 95, 40, 85, 630
• GCF of 50, 38, 39, 365

1. What is the GCF of 16, 64, 81, 655?

Answer: GCF of 16, 64, 81, 655 is 1.

2. How to Find the GCF of 16, 64, 81, 655

Answer: Greatest Common Factor(GCF) of 16, 64, 81, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 64, 81, 655) = 1.