Greatest Common Factor of 280 and 284

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 280, 284 i.e. 4 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 280 and 284 is 4.

GCF(280,284) = 4

GCF of 280 and 284

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 280 and 284

GCF of 280 and 284 is 4

Prime Factorization of 280


2 280
2 140
2 70
5 35
7 7
1

Prime factors of 280 are 2,5,7. Prime factorization of 280 in exponential form is:

280 = 23×51×71

Prime Factorization of 284


2 284
2 142
71 71
1

Prime factors of 284 are 2,71. Prime factorization of 284 in exponential form is:

284 = 22×711

∴ So by taking common prime factors GCF of 280 and 284 is 4

Greatest Common Factor of 280 and 284 by matching factors method

Factors of 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Factors of 284

List of positive integer factors of 284 that divides 284 without a remainder.

1,2,4,71,142,284

Greatest Common Factor

We found the factors and prime factorization of 280 and 284. The biggest common factor number is the GCF number.
So the greatest common factor 280 and 284 is 4.

Also check out the Least Common Multiple of 280 and 284

Properties of GCF 280 and 284

(i) The GCF of 280 and 284 is associative

GCF of 280 and 284 = GCF of 284 and 280

Frequently Asked Questions on GCF of 280 and 284

1. What is the GCF of 280 and 284?

Answer: GCF of 280 and 284 is 4.

2. What are the Factors of 280?

Answer: Factors of 280 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280. There are 16 integers that are factors of 280. The greatest factor of 280 is 280.

3. What are the Factors of 284?

Answer: Factors of 284 are 1, 2, 4, 71, 142, 284. There are 6 integers that are factors of 284. The greatest factor of 284 is 284.

4. How to Find the GCF of 280 and 284?

Answer:

Greatest Common Factor of 280 and 284 = 4

Step 1: Find the prime factorization of 280

280 = 2 x 2 x 2 x 5 x 7

Step 2: Find the prime factorization of 284

284 = 2 x 2 x 71

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2 x 2 = 4

Step 4: Therefore, the greatest common factor of 280 and 284 is 4