Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3850 and 3855 the smallest integer that is 2968350 that is divisible by both numbers.
Least Common Multiple (LCM) of 3850 and 3855 is 2968350.
LCM(3850,3855) = 2968350
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 3850 and 3855. First we will calculate the prime factors of 3850 and 3855.
Prime Factorization of 3850
2 | 3850 |
5 | 1925 |
5 | 385 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 3850 are 2, 5, 7,11. Prime factorization of 3850 in exponential form is:
3850 = 21×52×71×111
Prime Factorization of 3855
3 | 3855 |
5 | 1285 |
257 | 257 |
1 |
Prime factors of 3855 are 3, 5,257. Prime factorization of 3855 in exponential form is:
3855 = 31×51×2571
Now multiplying the highest exponent prime factors to calculate the LCM of 3850 and 3855.
LCM(3850,3855) = 21×31×52×71×111×2571
LCM(3850,3855) = 2968350
Factors of 3850
List of positive integer factors of 3850 that divides 3850 without a remainder.
1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850
Factors of 3855
List of positive integer factors of 3855 that divides 3855 without a remainder.
1, 3, 5, 15, 257, 771, 1285, 3855
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3850 and 3855, than apply into the LCM equation.
GCF(3850,3855) = 5
LCM(3850,3855) = ( 3850 × 3855) / 5
LCM(3850,3855) = 14841750 / 5
LCM(3850,3855) = 2968350
(i) The LCM of 3855 and 3850 is associative
LCM of 3850 and 3855 = LCM of 3855 and 3850
1. What is the LCM of 3850 and 3855?
Answer: LCM of 3850 and 3855 is 2968350.
2. What are the Factors of 3850?
Answer: Factors of 3850 are 1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850. There are 24 integers that are factors of 3850. The greatest factor of 3850 is 3850.
3. What are the Factors of 3855?
Answer: Factors of 3855 are 1, 3, 5, 15, 257, 771, 1285, 3855. There are 8 integers that are factors of 3855. The greatest factor of 3855 is 3855.
4. How to Find the LCM of 3850 and 3855?
Answer:
Least Common Multiple of 3850 and 3855 = 2968350
Step 1: Find the prime factorization of 3850
3850 = 2 x 5 x 5 x 7 x 11
Step 2: Find the prime factorization of 3855
3855 = 3 x 5 x 257
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2968350 = 2 x 3 x 5 x 5 x 7 x 11 x 257
Step 4: Therefore, the least common multiple of 3850 and 3855 is 2968350.