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 4780, 4785 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 4780 and 4785 is 5.
GCF(4780,4785) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 4780
2 | 4780 |
2 | 2390 |
5 | 1195 |
239 | 239 |
1 |
Prime factors of 4780 are 2,5,239. Prime factorization of 4780 in exponential form is:
4780 = 22×51×2391
Prime Factorization of 4785
3 | 4785 |
5 | 1595 |
11 | 319 |
29 | 29 |
1 |
Prime factors of 4785 are 3,5,11,29. Prime factorization of 4785 in exponential form is:
4785 = 31×51×111×291
∴ So by taking common prime factors GCF of 4780 and 4785 is 5
Factors of 4780
List of positive integer factors of 4780 that divides 4780 without a remainder.
1,2,4,5,10,20,239,478,956,1195,2390,4780
Factors of 4785
List of positive integer factors of 4785 that divides 4785 without a remainder.
1,3,5,11,15,29,33,55,87,145,165,319,435,957,1595,4785
Greatest Common Factor
We found the factors and prime factorization of 4780 and 4785. The biggest common factor number is the GCF number.
So the greatest common factor 4780 and 4785 is 5.
Also check out the Least Common Multiple of 4780 and 4785
(i) The GCF of 4780 and 4785 is associative
GCF of 4780 and 4785 = GCF of 4785 and 4780
1. What is the GCF of 4780 and 4785?
Answer: GCF of 4780 and 4785 is 5.
2. What are the Factors of 4780?
Answer: Factors of 4780 are 1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780. There are 12 integers that are factors of 4780. The greatest factor of 4780 is 4780.
3. What are the Factors of 4785?
Answer: Factors of 4785 are 1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4785. There are 16 integers that are factors of 4785. The greatest factor of 4785 is 4785.
4. How to Find the GCF of 4780 and 4785?
Answer:
Greatest Common Factor of 4780 and 4785 = 5
Step 1: Find the prime factorization of 4780
4780 = 2 x 2 x 5 x 239
Step 2: Find the prime factorization of 4785
4785 = 3 x 5 x 11 x 29
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 4780 and 4785 is 5