Greatest Common Factor of 81, 33, 19, 68

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

• Greatest Common Factor of 81, 33, 19, 68 by common division method
• Greatest Common Factor of 81, 33, 19, 68 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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 81,33,19,68 . The biggest common factor number is the GCF number.
So the greatest common factor 81,33,19,68 is 1.

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

• GCF of 94, 70, 98, 52
• GCF of 23, 21, 29, 64
• GCF of 90, 32, 68, 17
• GCF of 60, 99, 30, 53
• GCF of 67, 38, 77, 13

1. What is the GCF of 81, 33, 19, 68?

Answer: GCF of 81, 33, 19, 68 is 1.

2. How to Find the GCF of 81, 33, 19, 68

Answer: Greatest Common Factor(GCF) of 81, 33, 19, 68 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 33, 19, 68) = 1.