Greatest Common Factor of 81, 16, 47, 222

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

• Greatest Common Factor of 81, 16, 47, 222 by common division method
• Greatest Common Factor of 81, 16, 47, 222 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 81

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

1,3,9,27,81

Factors of 16

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

1,2,4,8,16

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 222

List of positive integer factors of 222 that divides 222 without a remainder.

1,2,3,6,37,74,111,222

Greatest Common Factor

We found the factors 81,16,47,222 . The biggest common factor number is the GCF number.
So the greatest common factor 81,16,47,222 is 1.

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

• GCF of 43, 22, 28, 544
• GCF of 19, 17, 15, 779
• GCF of 72, 29, 57, 471
• GCF of 21, 92, 92, 348
• GCF of 62, 80, 47, 199

1. What is the GCF of 81, 16, 47, 222?

Answer: GCF of 81, 16, 47, 222 is 1.

2. How to Find the GCF of 81, 16, 47, 222

Answer: Greatest Common Factor(GCF) of 81, 16, 47, 222 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 16, 47, 222) = 1.