Greatest Common Factor of 321, 140, 42

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

• Greatest Common Factor of 321, 140, 42 by common division method
• Greatest Common Factor of 321, 140, 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 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

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 321,140,42 . The biggest common factor number is the GCF number.
So the greatest common factor 321,140,42 is 1.

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

• GCF of 681, 891, 36
• GCF of 347, 351, 23
• GCF of 357, 122, 89
• GCF of 601, 716, 37
• GCF of 953, 526, 37

1. What is the GCF of 321, 140, 42?

Answer: GCF of 321, 140, 42 is 1.

2. How to Find the GCF of 321, 140, 42

Answer: Greatest Common Factor(GCF) of 321, 140, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(321, 140, 42) = 1.