Greatest Common Factor of 72, 49, 15, 66, 400

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

• Greatest Common Factor of 72, 49, 15, 66, 400 by common division method
• Greatest Common Factor of 72, 49, 15, 66, 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 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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 72,49,15,66,400 . The biggest common factor number is the GCF number.
So the greatest common factor 72,49,15,66,400 is 1.

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

• GCF of 61, 83, 93, 65, 748
• GCF of 28, 53, 39, 83, 395
• GCF of 24, 73, 81, 27, 419
• GCF of 85, 10, 95, 69, 291
• GCF of 72, 31, 20, 72, 332

1. What is the GCF of 72, 49, 15, 66, 400?

Answer: GCF of 72, 49, 15, 66, 400 is 1.

2. How to Find the GCF of 72, 49, 15, 66, 400

Answer: Greatest Common Factor(GCF) of 72, 49, 15, 66, 400 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 49, 15, 66, 400) = 1.