Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2380 and 2388 the smallest integer that is 1420860 that is divisible by both numbers.
Least Common Multiple (LCM) of 2380 and 2388 is 1420860.
LCM(2380,2388) = 1420860
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 2380 and 2388. First we will calculate the prime factors of 2380 and 2388.
Prime Factorization of 2380
2 | 2380 |
2 | 1190 |
5 | 595 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 2380 are 2, 5, 7,17. Prime factorization of 2380 in exponential form is:
2380 = 22×51×71×171
Prime Factorization of 2388
2 | 2388 |
2 | 1194 |
3 | 597 |
199 | 199 |
1 |
Prime factors of 2388 are 2, 3,199. Prime factorization of 2388 in exponential form is:
2388 = 22×31×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 2380 and 2388.
LCM(2380,2388) = 22×31×51×71×171×1991
LCM(2380,2388) = 1420860
Factors of 2380
List of positive integer factors of 2380 that divides 2380 without a remainder.
1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380
Factors of 2388
List of positive integer factors of 2388 that divides 2388 without a remainder.
1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2380 and 2388, than apply into the LCM equation.
GCF(2380,2388) = 4
LCM(2380,2388) = ( 2380 × 2388) / 4
LCM(2380,2388) = 5683440 / 4
LCM(2380,2388) = 1420860
(i) The LCM of 2388 and 2380 is associative
LCM of 2380 and 2388 = LCM of 2388 and 2380
1. What is the LCM of 2380 and 2388?
Answer: LCM of 2380 and 2388 is 1420860.
2. What are the Factors of 2380?
Answer: Factors of 2380 are 1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380. There are 24 integers that are factors of 2380. The greatest factor of 2380 is 2380.
3. What are the Factors of 2388?
Answer: Factors of 2388 are 1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388. There are 12 integers that are factors of 2388. The greatest factor of 2388 is 2388.
4. How to Find the LCM of 2380 and 2388?
Answer:
Least Common Multiple of 2380 and 2388 = 1420860
Step 1: Find the prime factorization of 2380
2380 = 2 x 2 x 5 x 7 x 17
Step 2: Find the prime factorization of 2388
2388 = 2 x 2 x 3 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1420860 = 2 x 2 x 3 x 5 x 7 x 17 x 199
Step 4: Therefore, the least common multiple of 2380 and 2388 is 1420860.