Greatest Common Factor of 60, 21, 169

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

• Greatest Common Factor of 60, 21, 169 by common division method
• Greatest Common Factor of 60, 21, 169 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 169

List of positive integer factors of 169 that divides 169 without a remainder.

1,13,169

Greatest Common Factor

We found the factors 60,21,169 . The biggest common factor number is the GCF number.
So the greatest common factor 60,21,169 is 1.

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

• GCF of 75, 83, 180
• GCF of 70, 70, 113
• GCF of 65, 95, 452
• GCF of 17, 11, 598
• GCF of 67, 13, 532

1. What is the GCF of 60, 21, 169?

Answer: GCF of 60, 21, 169 is 1.

2. How to Find the GCF of 60, 21, 169

Answer: Greatest Common Factor(GCF) of 60, 21, 169 = 1

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

Step 2: Then multiply all the prime factors GCF(60, 21, 169) = 1.