Greatest Common Factor of 30, 97, 61, 389

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

• Greatest Common Factor of 30, 97, 61, 389 by common division method
• Greatest Common Factor of 30, 97, 61, 389 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 30,97,61,389 . The biggest common factor number is the GCF number.
So the greatest common factor 30,97,61,389 is 1.

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

• GCF of 24, 23, 94, 775
• GCF of 94, 66, 70, 353
• GCF of 55, 25, 63, 954
• GCF of 90, 48, 99, 749
• GCF of 86, 22, 80, 575

1. What is the GCF of 30, 97, 61, 389?

Answer: GCF of 30, 97, 61, 389 is 1.

2. How to Find the GCF of 30, 97, 61, 389

Answer: Greatest Common Factor(GCF) of 30, 97, 61, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 97, 61, 389) = 1.