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 1851, 1856 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1851 and 1856 is 1.
GCF(1851,1856) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1851
3 | 1851 |
617 | 617 |
1 |
Prime factors of 1851 are 3,617. Prime factorization of 1851 in exponential form is:
1851 = 31×6171
Prime Factorization of 1856
2 | 1856 |
2 | 928 |
2 | 464 |
2 | 232 |
2 | 116 |
2 | 58 |
29 | 29 |
1 |
Prime factors of 1856 are 2,29. Prime factorization of 1856 in exponential form is:
1856 = 26×291
∴ So by taking common prime factors GCF of 1851 and 1856 is 1
Factors of 1851
List of positive integer factors of 1851 that divides 1851 without a remainder.
1,3,617,1851
Factors of 1856
List of positive integer factors of 1856 that divides 1856 without a remainder.
1,2,4,8,16,29,32,58,64,116,232,464,928,1856
Greatest Common Factor
We found the factors and prime factorization of 1851 and 1856. The biggest common factor number is the GCF number.
So the greatest common factor 1851 and 1856 is 1.
Also check out the Least Common Multiple of 1851 and 1856
(i) The GCF of 1851 and 1856 is associative
GCF of 1851 and 1856 = GCF of 1856 and 1851
1. What is the GCF of 1851 and 1856?
Answer: GCF of 1851 and 1856 is 1.
2. What are the Factors of 1851?
Answer: Factors of 1851 are 1, 3, 617, 1851. There are 4 integers that are factors of 1851. The greatest factor of 1851 is 1851.
3. What are the Factors of 1856?
Answer: Factors of 1856 are 1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856. There are 14 integers that are factors of 1856. The greatest factor of 1856 is 1856.
4. How to Find the GCF of 1851 and 1856?
Answer:
Greatest Common Factor of 1851 and 1856 = 1
Step 1: Find the prime factorization of 1851
1851 = 3 x 617
Step 2: Find the prime factorization of 1856
1856 = 2 x 2 x 2 x 2 x 2 x 2 x 29
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1851 and 1856 is 1