Greatest Common Factor of 30, 57, 31, 400

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

• Greatest Common Factor of 30, 57, 31, 400 by common division method
• Greatest Common Factor of 30, 57, 31, 400 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 400

List of positive integer factors of 400 that divides 400 without a remainder.

1,2,4,5,8,10,16,20,25,40,50,80,100,200,400

Greatest Common Factor

We found the factors 30,57,31,400 . The biggest common factor number is the GCF number.
So the greatest common factor 30,57,31,400 is 1.

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

• GCF of 92, 99, 73, 957
• GCF of 40, 82, 49, 964
• GCF of 98, 28, 42, 616
• GCF of 86, 55, 52, 849
• GCF of 10, 14, 97, 111

1. What is the GCF of 30, 57, 31, 400?

Answer: GCF of 30, 57, 31, 400 is 1.

2. How to Find the GCF of 30, 57, 31, 400

Answer: Greatest Common Factor(GCF) of 30, 57, 31, 400 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 57, 31, 400) = 1.