Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3851 and 3857 the smallest integer that is 14853307 that is divisible by both numbers.
Least Common Multiple (LCM) of 3851 and 3857 is 14853307.
LCM(3851,3857) = 14853307
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 3851 and 3857. First we will calculate the prime factors of 3851 and 3857.
Prime Factorization of 3851
3851 | 3851 |
1 |
Prime factors of 3851 are 3851. Prime factorization of 3851 in exponential form is:
3851 = 38511
Prime Factorization of 3857
7 | 3857 |
19 | 551 |
29 | 29 |
1 |
Prime factors of 3857 are 7, 19,29. Prime factorization of 3857 in exponential form is:
3857 = 71×191×291
Now multiplying the highest exponent prime factors to calculate the LCM of 3851 and 3857.
LCM(3851,3857) = 71×191×291×38511
LCM(3851,3857) = 14853307
Factors of 3851
List of positive integer factors of 3851 that divides 3851 without a remainder.
1, 3851
Factors of 3857
List of positive integer factors of 3857 that divides 3857 without a remainder.
1, 7, 19, 29, 133, 203, 551, 3857
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3851 and 3857, than apply into the LCM equation.
GCF(3851,3857) = 1
LCM(3851,3857) = ( 3851 × 3857) / 1
LCM(3851,3857) = 14853307 / 1
LCM(3851,3857) = 14853307
(i) The LCM of 3857 and 3851 is associative
LCM of 3851 and 3857 = LCM of 3857 and 3851
1. What is the LCM of 3851 and 3857?
Answer: LCM of 3851 and 3857 is 14853307.
2. What are the Factors of 3851?
Answer: Factors of 3851 are 1, 3851. There are 2 integers that are factors of 3851. The greatest factor of 3851 is 3851.
3. What are the Factors of 3857?
Answer: Factors of 3857 are 1, 7, 19, 29, 133, 203, 551, 3857. There are 8 integers that are factors of 3857. The greatest factor of 3857 is 3857.
4. How to Find the LCM of 3851 and 3857?
Answer:
Least Common Multiple of 3851 and 3857 = 14853307
Step 1: Find the prime factorization of 3851
3851 = 3851
Step 2: Find the prime factorization of 3857
3857 = 7 x 19 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 14853307 = 7 x 19 x 29 x 3851
Step 4: Therefore, the least common multiple of 3851 and 3857 is 14853307.