Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8380 and 8385 the smallest integer that is 14053260 that is divisible by both numbers.
Least Common Multiple (LCM) of 8380 and 8385 is 14053260.
LCM(8380,8385) = 14053260
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 8380 and 8385. First we will calculate the prime factors of 8380 and 8385.
Prime Factorization of 8380
2 | 8380 |
2 | 4190 |
5 | 2095 |
419 | 419 |
1 |
Prime factors of 8380 are 2, 5,419. Prime factorization of 8380 in exponential form is:
8380 = 22×51×4191
Prime Factorization of 8385
3 | 8385 |
5 | 2795 |
13 | 559 |
43 | 43 |
1 |
Prime factors of 8385 are 3, 5, 13,43. Prime factorization of 8385 in exponential form is:
8385 = 31×51×131×431
Now multiplying the highest exponent prime factors to calculate the LCM of 8380 and 8385.
LCM(8380,8385) = 22×31×51×131×431×4191
LCM(8380,8385) = 14053260
Factors of 8380
List of positive integer factors of 8380 that divides 8380 without a remainder.
1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380
Factors of 8385
List of positive integer factors of 8385 that divides 8385 without a remainder.
1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8380 and 8385, than apply into the LCM equation.
GCF(8380,8385) = 5
LCM(8380,8385) = ( 8380 × 8385) / 5
LCM(8380,8385) = 70266300 / 5
LCM(8380,8385) = 14053260
(i) The LCM of 8385 and 8380 is associative
LCM of 8380 and 8385 = LCM of 8385 and 8380
1. What is the LCM of 8380 and 8385?
Answer: LCM of 8380 and 8385 is 14053260.
2. What are the Factors of 8380?
Answer: Factors of 8380 are 1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380. There are 12 integers that are factors of 8380. The greatest factor of 8380 is 8380.
3. What are the Factors of 8385?
Answer: Factors of 8385 are 1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385. There are 16 integers that are factors of 8385. The greatest factor of 8385 is 8385.
4. How to Find the LCM of 8380 and 8385?
Answer:
Least Common Multiple of 8380 and 8385 = 14053260
Step 1: Find the prime factorization of 8380
8380 = 2 x 2 x 5 x 419
Step 2: Find the prime factorization of 8385
8385 = 3 x 5 x 13 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 14053260 = 2 x 2 x 3 x 5 x 13 x 43 x 419
Step 4: Therefore, the least common multiple of 8380 and 8385 is 14053260.