Greatest Common Factor of 169, 646, 42

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

• Greatest Common Factor of 169, 646, 42 by common division method
• Greatest Common Factor of 169, 646, 42 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 169

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

1,13,169

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 169,646,42 . The biggest common factor number is the GCF number.
So the greatest common factor 169,646,42 is 1.

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

• GCF of 363, 853, 72
• GCF of 841, 536, 54
• GCF of 754, 903, 24
• GCF of 227, 357, 52
• GCF of 301, 698, 17

1. What is the GCF of 169, 646, 42?

Answer: GCF of 169, 646, 42 is 1.

2. How to Find the GCF of 169, 646, 42

Answer: Greatest Common Factor(GCF) of 169, 646, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(169, 646, 42) = 1.