Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 15391 and 15398 the smallest integer that is 236990618 that is divisible by both numbers.
Least Common Multiple (LCM) of 15391 and 15398 is 236990618.
LCM(15391,15398) = 236990618
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 15391 and 15398. First we will calculate the prime factors of 15391 and 15398.
Prime Factorization of 15391
15391 | 15391 |
1 |
Prime factors of 15391 are 15391. Prime factorization of 15391 in exponential form is:
15391 = 153911
Prime Factorization of 15398
2 | 15398 |
7699 | 7699 |
1 |
Prime factors of 15398 are 2,7699. Prime factorization of 15398 in exponential form is:
15398 = 21×76991
Now multiplying the highest exponent prime factors to calculate the LCM of 15391 and 15398.
LCM(15391,15398) = 21×76991×153911
LCM(15391,15398) = 236990618
Factors of 15391
List of positive integer factors of 15391 that divides 15391 without a remainder.
1, 15391
Factors of 15398
List of positive integer factors of 15398 that divides 15398 without a remainder.
1, 2, 7699, 15398
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15391 and 15398, than apply into the LCM equation.
GCF(15391,15398) = 1
LCM(15391,15398) = ( 15391 × 15398) / 1
LCM(15391,15398) = 236990618 / 1
LCM(15391,15398) = 236990618
(i) The LCM of 15398 and 15391 is associative
LCM of 15391 and 15398 = LCM of 15398 and 15391
1. What is the LCM of 15391 and 15398?
Answer: LCM of 15391 and 15398 is 236990618.
2. What are the Factors of 15391?
Answer: Factors of 15391 are 1, 15391. There are 2 integers that are factors of 15391. The greatest factor of 15391 is 15391.
3. What are the Factors of 15398?
Answer: Factors of 15398 are 1, 2, 7699, 15398. There are 4 integers that are factors of 15398. The greatest factor of 15398 is 15398.
4. How to Find the LCM of 15391 and 15398?
Answer:
Least Common Multiple of 15391 and 15398 = 236990618
Step 1: Find the prime factorization of 15391
15391 = 15391
Step 2: Find the prime factorization of 15398
15398 = 2 x 7699
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 236990618 = 2 x 7699 x 15391
Step 4: Therefore, the least common multiple of 15391 and 15398 is 236990618.