Greatest Common Factor of 47, 40, 72, 99

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

• Greatest Common Factor of 47, 40, 72, 99 by common division method
• Greatest Common Factor of 47, 40, 72, 99 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Greatest Common Factor

We found the factors 47,40,72,99 . The biggest common factor number is the GCF number.
So the greatest common factor 47,40,72,99 is 1.

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

• GCF of 30, 95, 88, 40
• GCF of 72, 98, 45, 31
• GCF of 53, 72, 18, 70
• GCF of 87, 48, 38, 17
• GCF of 90, 28, 49, 87

1. What is the GCF of 47, 40, 72, 99?

Answer: GCF of 47, 40, 72, 99 is 1.

2. How to Find the GCF of 47, 40, 72, 99

Answer: Greatest Common Factor(GCF) of 47, 40, 72, 99 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 40, 72, 99) = 1.