Greatest Common Factor of 30, 12, 53, 83, 421

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

• Greatest Common Factor of 30, 12, 53, 83, 421 by common division method
• Greatest Common Factor of 30, 12, 53, 83, 421 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 30,12,53,83,421 . The biggest common factor number is the GCF number.
So the greatest common factor 30,12,53,83,421 is 1.

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

• GCF of 21, 86, 69, 58, 923
• GCF of 58, 41, 27, 87, 297
• GCF of 53, 65, 27, 70, 226
• GCF of 89, 76, 84, 13, 785
• GCF of 92, 42, 92, 67, 668

1. What is the GCF of 30, 12, 53, 83, 421?

Answer: GCF of 30, 12, 53, 83, 421 is 1.

2. How to Find the GCF of 30, 12, 53, 83, 421

Answer: Greatest Common Factor(GCF) of 30, 12, 53, 83, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 12, 53, 83, 421) = 1.