Greatest Common Factor of 72, 63, 81, 448

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

• Greatest Common Factor of 72, 63, 81, 448 by common division method
• Greatest Common Factor of 72, 63, 81, 448 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Greatest Common Factor

We found the factors 72,63,81,448 . The biggest common factor number is the GCF number.
So the greatest common factor 72,63,81,448 is 1.

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

• GCF of 72, 21, 41, 900
• GCF of 63, 77, 48, 372
• GCF of 11, 57, 94, 748
• GCF of 94, 33, 66, 269
• GCF of 28, 33, 46, 588

1. What is the GCF of 72, 63, 81, 448?

Answer: GCF of 72, 63, 81, 448 is 1.

2. How to Find the GCF of 72, 63, 81, 448

Answer: Greatest Common Factor(GCF) of 72, 63, 81, 448 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 63, 81, 448) = 1.