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 1842, 1845 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1842 and 1845 is 3.
GCF(1842,1845) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1842
2 | 1842 |
3 | 921 |
307 | 307 |
1 |
Prime factors of 1842 are 2,3,307. Prime factorization of 1842 in exponential form is:
1842 = 21×31×3071
Prime Factorization of 1845
3 | 1845 |
3 | 615 |
5 | 205 |
41 | 41 |
1 |
Prime factors of 1845 are 3,5,41. Prime factorization of 1845 in exponential form is:
1845 = 32×51×411
∴ So by taking common prime factors GCF of 1842 and 1845 is 3
Factors of 1842
List of positive integer factors of 1842 that divides 1842 without a remainder.
1,2,3,6,307,614,921,1842
Factors of 1845
List of positive integer factors of 1845 that divides 1845 without a remainder.
1,3,5,9,15,41,45,123,205,369,615,1845
Greatest Common Factor
We found the factors and prime factorization of 1842 and 1845. The biggest common factor number is the GCF number.
So the greatest common factor 1842 and 1845 is 3.
Also check out the Least Common Multiple of 1842 and 1845
(i) The GCF of 1842 and 1845 is associative
GCF of 1842 and 1845 = GCF of 1845 and 1842
1. What is the GCF of 1842 and 1845?
Answer: GCF of 1842 and 1845 is 3.
2. What are the Factors of 1842?
Answer: Factors of 1842 are 1, 2, 3, 6, 307, 614, 921, 1842. There are 8 integers that are factors of 1842. The greatest factor of 1842 is 1842.
3. What are the Factors of 1845?
Answer: Factors of 1845 are 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845. There are 12 integers that are factors of 1845. The greatest factor of 1845 is 1845.
4. How to Find the GCF of 1842 and 1845?
Answer:
Greatest Common Factor of 1842 and 1845 = 3
Step 1: Find the prime factorization of 1842
1842 = 2 x 3 x 307
Step 2: Find the prime factorization of 1845
1845 = 3 x 3 x 5 x 41
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1842 and 1845 is 3