Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1827 and 1831 the smallest integer that is 3345237 that is divisible by both numbers.
Least Common Multiple (LCM) of 1827 and 1831 is 3345237.
LCM(1827,1831) = 3345237
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 1827 and 1831. First we will calculate the prime factors of 1827 and 1831.
Prime Factorization of 1827
3 | 1827 |
3 | 609 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 1827 are 3, 7,29. Prime factorization of 1827 in exponential form is:
1827 = 32×71×291
Prime Factorization of 1831
1831 | 1831 |
1 |
Prime factors of 1831 are 1831. Prime factorization of 1831 in exponential form is:
1831 = 18311
Now multiplying the highest exponent prime factors to calculate the LCM of 1827 and 1831.
LCM(1827,1831) = 32×71×291×18311
LCM(1827,1831) = 3345237
Factors of 1827
List of positive integer factors of 1827 that divides 1827 without a remainder.
1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827
Factors of 1831
List of positive integer factors of 1831 that divides 1831 without a remainder.
1, 1831
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1827 and 1831, than apply into the LCM equation.
GCF(1827,1831) = 1
LCM(1827,1831) = ( 1827 × 1831) / 1
LCM(1827,1831) = 3345237 / 1
LCM(1827,1831) = 3345237
(i) The LCM of 1831 and 1827 is associative
LCM of 1827 and 1831 = LCM of 1831 and 1827
1. What is the LCM of 1827 and 1831?
Answer: LCM of 1827 and 1831 is 3345237.
2. What are the Factors of 1827?
Answer: Factors of 1827 are 1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827. There are 12 integers that are factors of 1827. The greatest factor of 1827 is 1827.
3. What are the Factors of 1831?
Answer: Factors of 1831 are 1, 1831. There are 2 integers that are factors of 1831. The greatest factor of 1831 is 1831.
4. How to Find the LCM of 1827 and 1831?
Answer:
Least Common Multiple of 1827 and 1831 = 3345237
Step 1: Find the prime factorization of 1827
1827 = 3 x 3 x 7 x 29
Step 2: Find the prime factorization of 1831
1831 = 1831
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3345237 = 3 x 3 x 7 x 29 x 1831
Step 4: Therefore, the least common multiple of 1827 and 1831 is 3345237.