Greatest Common Factor of 16, 15, 64, 128

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

• Greatest Common Factor of 16, 15, 64, 128 by common division method
• Greatest Common Factor of 16, 15, 64, 128 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 128

List of positive integer factors of 128 that divides 128 without a remainder.

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

Greatest Common Factor

We found the factors 16,15,64,128 . The biggest common factor number is the GCF number.
So the greatest common factor 16,15,64,128 is 1.

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

• GCF of 95, 75, 66, 299
• GCF of 40, 31, 18, 316
• GCF of 83, 43, 79, 834
• GCF of 10, 97, 54, 112
• GCF of 40, 81, 94, 665

1. What is the GCF of 16, 15, 64, 128?

Answer: GCF of 16, 15, 64, 128 is 1.

2. How to Find the GCF of 16, 15, 64, 128

Answer: Greatest Common Factor(GCF) of 16, 15, 64, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 15, 64, 128) = 1.