Greatest Common Factor of 30, 21, 73, 324

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

• Greatest Common Factor of 30, 21, 73, 324 by common division method
• Greatest Common Factor of 30, 21, 73, 324 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 21

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

1,3,7,21

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 324

List of positive integer factors of 324 that divides 324 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,324

Greatest Common Factor

We found the factors 30,21,73,324 . The biggest common factor number is the GCF number.
So the greatest common factor 30,21,73,324 is 1.

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

• GCF of 57, 34, 17, 606
• GCF of 65, 12, 59, 536
• GCF of 90, 52, 84, 289
• GCF of 48, 65, 62, 718
• GCF of 56, 21, 71, 590

1. What is the GCF of 30, 21, 73, 324?

Answer: GCF of 30, 21, 73, 324 is 1.

2. How to Find the GCF of 30, 21, 73, 324

Answer: Greatest Common Factor(GCF) of 30, 21, 73, 324 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 21, 73, 324) = 1.