Greatest Common Factor of 28, 33, 17, 398

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

• Greatest Common Factor of 28, 33, 17, 398 by common division method
• Greatest Common Factor of 28, 33, 17, 398 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 28

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

1,2,4,7,14,28

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 17

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

1,17

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Greatest Common Factor

We found the factors 28,33,17,398 . The biggest common factor number is the GCF number.
So the greatest common factor 28,33,17,398 is 1.

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

• GCF of 64, 59, 23, 379
• GCF of 29, 68, 88, 454
• GCF of 83, 33, 68, 644
• GCF of 98, 35, 94, 844
• GCF of 24, 49, 71, 557

1. What is the GCF of 28, 33, 17, 398?

Answer: GCF of 28, 33, 17, 398 is 1.

2. How to Find the GCF of 28, 33, 17, 398

Answer: Greatest Common Factor(GCF) of 28, 33, 17, 398 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 33, 17, 398) = 1.