Greatest Common Factor of 16, 34, 63, 81

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

• Greatest Common Factor of 16, 34, 63, 81 by common division method
• Greatest Common Factor of 16, 34, 63, 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 16

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

1,2,4,8,16

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

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 16,34,63,81 . The biggest common factor number is the GCF number.
So the greatest common factor 16,34,63,81 is 1.

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

• GCF of 76, 63, 85, 67
• GCF of 60, 85, 72, 74
• GCF of 43, 83, 21, 62
• GCF of 27, 62, 92, 48
• GCF of 35, 94, 82, 33

1. What is the GCF of 16, 34, 63, 81?

Answer: GCF of 16, 34, 63, 81 is 1.

2. How to Find the GCF of 16, 34, 63, 81

Answer: Greatest Common Factor(GCF) of 16, 34, 63, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 34, 63, 81) = 1.