Greatest Common Factor of 42, 365, 645

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

• Greatest Common Factor of 42, 365, 645 by common division method
• Greatest Common Factor of 42, 365, 645 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 42

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

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

Factors of 365

List of positive integer factors of 365 that divides 365 without a remainder.

1,5,73,365

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 42,365,645 . The biggest common factor number is the GCF number.
So the greatest common factor 42,365,645 is 1.

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

• GCF of 54, 105, 927
• GCF of 24, 634, 921
• GCF of 22, 568, 374
• GCF of 40, 199, 132
• GCF of 12, 219, 206

1. What is the GCF of 42, 365, 645?

Answer: GCF of 42, 365, 645 is 1.

2. How to Find the GCF of 42, 365, 645

Answer: Greatest Common Factor(GCF) of 42, 365, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 365, 645) = 1.