Greatest Common Factor of 65, 10, 180, 170

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

• Greatest Common Factor of 65, 10, 180, 170 by common division method
• Greatest Common Factor of 65, 10, 180, 170 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 65

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

1,5,13,65

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 65,10,180,170 . The biggest common factor number is the GCF number.
So the greatest common factor 65,10,180,170 is 5.

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

• GCF of 60, 65, 963, 784
• GCF of 66, 97, 206, 285
• GCF of 85, 23, 671, 447
• GCF of 35, 77, 283, 220
• GCF of 27, 87, 392, 177

1. What is the GCF of 65, 10, 180, 170?

Answer: GCF of 65, 10, 180, 170 is 5.

2. How to Find the GCF of 65, 10, 180, 170

Answer: Greatest Common Factor(GCF) of 65, 10, 180, 170 = 5

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

Step 2: Then multiply all the prime factors GCF(65, 10, 180, 170) = 5.