Greatest Common Factor of 30, 47, 13, 648

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

• Greatest Common Factor of 30, 47, 13, 648 by common division method
• Greatest Common Factor of 30, 47, 13, 648 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 30,47,13,648 . The biggest common factor number is the GCF number.
So the greatest common factor 30,47,13,648 is 1.

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

• GCF of 70, 28, 64, 389
• GCF of 85, 12, 70, 713
• GCF of 12, 24, 51, 166
• GCF of 56, 44, 76, 339
• GCF of 12, 98, 64, 897

1. What is the GCF of 30, 47, 13, 648?

Answer: GCF of 30, 47, 13, 648 is 1.

2. How to Find the GCF of 30, 47, 13, 648

Answer: Greatest Common Factor(GCF) of 30, 47, 13, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 47, 13, 648) = 1.