Greatest Common Factor of 155, 405, 64

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

• Greatest Common Factor of 155, 405, 64 by common division method
• Greatest Common Factor of 155, 405, 64 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 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 155,405,64 . The biggest common factor number is the GCF number.
So the greatest common factor 155,405,64 is 1.

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

• GCF of 931, 323, 34
• GCF of 884, 819, 99
• GCF of 454, 471, 19
• GCF of 304, 628, 87
• GCF of 883, 846, 56

1. What is the GCF of 155, 405, 64?

Answer: GCF of 155, 405, 64 is 1.

2. How to Find the GCF of 155, 405, 64

Answer: Greatest Common Factor(GCF) of 155, 405, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(155, 405, 64) = 1.