Greatest Common Factor of 30, 71, 74, 398

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

• Greatest Common Factor of 30, 71, 74, 398 by common division method
• Greatest Common Factor of 30, 71, 74, 398 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Greatest Common Factor

We found the factors 30,71,74,398 . The biggest common factor number is the GCF number.
So the greatest common factor 30,71,74,398 is 1.

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

• GCF of 16, 43, 24, 836
• GCF of 75, 65, 92, 306
• GCF of 83, 41, 44, 457
• GCF of 75, 50, 23, 127
• GCF of 11, 59, 27, 314

1. What is the GCF of 30, 71, 74, 398?

Answer: GCF of 30, 71, 74, 398 is 1.

2. How to Find the GCF of 30, 71, 74, 398

Answer: Greatest Common Factor(GCF) of 30, 71, 74, 398 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 71, 74, 398) = 1.