Greatest Common Factor of 33, 66, 77, 81

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

• Greatest Common Factor of 33, 66, 77, 81 by common division method
• Greatest Common Factor of 33, 66, 77, 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 33

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

1,3,11,33

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

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 33,66,77,81 . The biggest common factor number is the GCF number.
So the greatest common factor 33,66,77,81 is 1.

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

• GCF of 32, 83, 97, 73
• GCF of 64, 22, 76, 82
• GCF of 93, 10, 33, 24
• GCF of 39, 74, 79, 46
• GCF of 86, 48, 92, 29

1. What is the GCF of 33, 66, 77, 81?

Answer: GCF of 33, 66, 77, 81 is 1.

2. How to Find the GCF of 33, 66, 77, 81

Answer: Greatest Common Factor(GCF) of 33, 66, 77, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(33, 66, 77, 81) = 1.