Greatest Common Factor of 155, 213, 81

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

• Greatest Common Factor of 155, 213, 81 by common division method
• Greatest Common Factor of 155, 213, 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 213

List of positive integer factors of 213 that divides 213 without a remainder.

1,3,71,213

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 155,213,81 . The biggest common factor number is the GCF number.
So the greatest common factor 155,213,81 is 1.

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

• GCF of 920, 749, 77
• GCF of 788, 213, 30
• GCF of 451, 177, 10
• GCF of 852, 898, 38
• GCF of 342, 921, 74

1. What is the GCF of 155, 213, 81?

Answer: GCF of 155, 213, 81 is 1.

2. How to Find the GCF of 155, 213, 81

Answer: Greatest Common Factor(GCF) of 155, 213, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(155, 213, 81) = 1.