Greatest Common Factor of 47, 90, 38, 648

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

• Greatest Common Factor of 47, 90, 38, 648 by common division method
• Greatest Common Factor of 47, 90, 38, 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 47

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

1,47

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

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 47,90,38,648 . The biggest common factor number is the GCF number.
So the greatest common factor 47,90,38,648 is 1.

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

• GCF of 94, 69, 72, 766
• GCF of 74, 87, 25, 631
• GCF of 67, 59, 16, 473
• GCF of 10, 81, 19, 906
• GCF of 15, 79, 59, 672

1. What is the GCF of 47, 90, 38, 648?

Answer: GCF of 47, 90, 38, 648 is 1.

2. How to Find the GCF of 47, 90, 38, 648

Answer: Greatest Common Factor(GCF) of 47, 90, 38, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 90, 38, 648) = 1.