Greatest Common Factor of 40, 17, 28, 442

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

• Greatest Common Factor of 40, 17, 28, 442 by common division method
• Greatest Common Factor of 40, 17, 28, 442 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 40

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

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

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Greatest Common Factor

We found the factors 40,17,28,442 . The biggest common factor number is the GCF number.
So the greatest common factor 40,17,28,442 is 1.

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

• GCF of 56, 51, 63, 228
• GCF of 56, 82, 15, 651
• GCF of 76, 32, 31, 866
• GCF of 83, 53, 29, 866
• GCF of 42, 54, 12, 589

1. What is the GCF of 40, 17, 28, 442?

Answer: GCF of 40, 17, 28, 442 is 1.

2. How to Find the GCF of 40, 17, 28, 442

Answer: Greatest Common Factor(GCF) of 40, 17, 28, 442 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 17, 28, 442) = 1.