Greatest Common Factor of 60, 45, 19, 170

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

• Greatest Common Factor of 60, 45, 19, 170 by common division method
• Greatest Common Factor of 60, 45, 19, 170 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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 60,45,19,170 . The biggest common factor number is the GCF number.
So the greatest common factor 60,45,19,170 is 1.

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

• GCF of 93, 77, 30, 334
• GCF of 68, 86, 45, 768
• GCF of 32, 77, 60, 284
• GCF of 62, 44, 18, 249
• GCF of 30, 49, 45, 524

1. What is the GCF of 60, 45, 19, 170?

Answer: GCF of 60, 45, 19, 170 is 1.

2. How to Find the GCF of 60, 45, 19, 170

Answer: Greatest Common Factor(GCF) of 60, 45, 19, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(60, 45, 19, 170) = 1.