Greatest Common Factor of 21, 40, 176

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

• Greatest Common Factor of 21, 40, 176 by common division method
• Greatest Common Factor of 21, 40, 176 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

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 176

List of positive integer factors of 176 that divides 176 without a remainder.

1,2,4,8,11,16,22,44,88,176

Greatest Common Factor

We found the factors 21,40,176 . The biggest common factor number is the GCF number.
So the greatest common factor 21,40,176 is 1.

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

• GCF of 90, 67, 155
• GCF of 37, 87, 275
• GCF of 67, 97, 675
• GCF of 23, 50, 360
• GCF of 30, 41, 432

1. What is the GCF of 21, 40, 176?

Answer: GCF of 21, 40, 176 is 1.

2. How to Find the GCF of 21, 40, 176

Answer: Greatest Common Factor(GCF) of 21, 40, 176 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 40, 176) = 1.