Greatest Common Factor of 16, 81, 28, 730

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

• Greatest Common Factor of 16, 81, 28, 730 by common division method
• Greatest Common Factor of 16, 81, 28, 730 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 81

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

1,3,9,27,81

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 730

List of positive integer factors of 730 that divides 730 without a remainder.

1,2,5,10,73,146,365,730

Greatest Common Factor

We found the factors 16,81,28,730 . The biggest common factor number is the GCF number.
So the greatest common factor 16,81,28,730 is 1.

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

• GCF of 36, 73, 90, 993
• GCF of 74, 51, 62, 505
• GCF of 30, 12, 57, 238
• GCF of 38, 65, 18, 445
• GCF of 67, 32, 82, 906

1. What is the GCF of 16, 81, 28, 730?

Answer: GCF of 16, 81, 28, 730 is 1.

2. How to Find the GCF of 16, 81, 28, 730

Answer: Greatest Common Factor(GCF) of 16, 81, 28, 730 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 81, 28, 730) = 1.