Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1513 and 1515 the smallest integer that is 2292195 that is divisible by both numbers.
Least Common Multiple (LCM) of 1513 and 1515 is 2292195.
LCM(1513,1515) = 2292195
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 1513 and 1515. First we will calculate the prime factors of 1513 and 1515.
Prime Factorization of 1513
17 | 1513 |
89 | 89 |
1 |
Prime factors of 1513 are 17,89. Prime factorization of 1513 in exponential form is:
1513 = 171×891
Prime Factorization of 1515
3 | 1515 |
5 | 505 |
101 | 101 |
1 |
Prime factors of 1515 are 3, 5,101. Prime factorization of 1515 in exponential form is:
1515 = 31×51×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 1513 and 1515.
LCM(1513,1515) = 31×51×171×891×1011
LCM(1513,1515) = 2292195
Factors of 1513
List of positive integer factors of 1513 that divides 1513 without a remainder.
1, 17, 89, 1513
Factors of 1515
List of positive integer factors of 1515 that divides 1515 without a remainder.
1, 3, 5, 15, 101, 303, 505, 1515
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1513 and 1515, than apply into the LCM equation.
GCF(1513,1515) = 1
LCM(1513,1515) = ( 1513 × 1515) / 1
LCM(1513,1515) = 2292195 / 1
LCM(1513,1515) = 2292195
(i) The LCM of 1515 and 1513 is associative
LCM of 1513 and 1515 = LCM of 1515 and 1513
1. What is the LCM of 1513 and 1515?
Answer: LCM of 1513 and 1515 is 2292195.
2. What are the Factors of 1513?
Answer: Factors of 1513 are 1, 17, 89, 1513. There are 4 integers that are factors of 1513. The greatest factor of 1513 is 1513.
3. What are the Factors of 1515?
Answer: Factors of 1515 are 1, 3, 5, 15, 101, 303, 505, 1515. There are 8 integers that are factors of 1515. The greatest factor of 1515 is 1515.
4. How to Find the LCM of 1513 and 1515?
Answer:
Least Common Multiple of 1513 and 1515 = 2292195
Step 1: Find the prime factorization of 1513
1513 = 17 x 89
Step 2: Find the prime factorization of 1515
1515 = 3 x 5 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2292195 = 3 x 5 x 17 x 89 x 101
Step 4: Therefore, the least common multiple of 1513 and 1515 is 2292195.