Greatest Common Factor of 90, 64, 65, 171

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

• Greatest Common Factor of 90, 64, 65, 171 by common division method
• Greatest Common Factor of 90, 64, 65, 171 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 64

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

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

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 90,64,65,171 . The biggest common factor number is the GCF number.
So the greatest common factor 90,64,65,171 is 1.

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

• GCF of 52, 90, 12, 139
• GCF of 87, 23, 35, 270
• GCF of 51, 99, 18, 157
• GCF of 62, 37, 45, 764
• GCF of 16, 26, 63, 339

1. What is the GCF of 90, 64, 65, 171?

Answer: GCF of 90, 64, 65, 171 is 1.

2. How to Find the GCF of 90, 64, 65, 171

Answer: Greatest Common Factor(GCF) of 90, 64, 65, 171 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 64, 65, 171) = 1.