Greatest Common Factor of 483 and 490

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 483, 490 i.e. 7 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 483 and 490 is 7.

GCF(483,490) = 7

GCF of 483 and 490

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

GCF of:
and

Greatest Common Factor of 483 and 490

GCF of 483 and 490 is 7

Prime Factorization of 483


3 483
7 161
23 23
1

Prime factors of 483 are 3,7,23. Prime factorization of 483 in exponential form is:

483 = 31×71×231

Prime Factorization of 490


2 490
5 245
7 49
7 7
1

Prime factors of 490 are 2,5,7. Prime factorization of 490 in exponential form is:

490 = 21×51×72

∴ So by taking common prime factors GCF of 483 and 490 is 7

Greatest Common Factor of 483 and 490 by matching factors method

Factors of 483

List of positive integer factors of 483 that divides 483 without a remainder.

1,3,7,21,23,69,161,483

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors and prime factorization of 483 and 490. The biggest common factor number is the GCF number.
So the greatest common factor 483 and 490 is 7.

Also check out the Least Common Multiple of 483 and 490

Properties of GCF 483 and 490

(i) The GCF of 483 and 490 is associative

GCF of 483 and 490 = GCF of 490 and 483

Frequently Asked Questions on GCF of 483 and 490

1. What is the GCF of 483 and 490?

Answer: GCF of 483 and 490 is 7.

2. What are the Factors of 483?

Answer: Factors of 483 are 1, 3, 7, 21, 23, 69, 161, 483. There are 8 integers that are factors of 483. The greatest factor of 483 is 483.

3. What are the Factors of 490?

Answer: Factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490. There are 12 integers that are factors of 490. The greatest factor of 490 is 490.

4. How to Find the GCF of 483 and 490?

Answer:

Greatest Common Factor of 483 and 490 = 7

Step 1: Find the prime factorization of 483

483 = 3 x 7 x 23

Step 2: Find the prime factorization of 490

490 = 2 x 5 x 7 x 7

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

GCF = 7

Step 4: Therefore, the greatest common factor of 483 and 490 is 7