Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1008 and 1015 the smallest integer that is 146160 that is divisible by both numbers.
Least Common Multiple (LCM) of 1008 and 1015 is 146160.
LCM(1008,1015) = 146160
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 1008 and 1015. First we will calculate the prime factors of 1008 and 1015.
Prime Factorization of 1008
2 | 1008 |
2 | 504 |
2 | 252 |
2 | 126 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 1008 are 2, 3,7. Prime factorization of 1008 in exponential form is:
1008 = 24×32×71
Prime Factorization of 1015
5 | 1015 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 1015 are 5, 7,29. Prime factorization of 1015 in exponential form is:
1015 = 51×71×291
Now multiplying the highest exponent prime factors to calculate the LCM of 1008 and 1015.
LCM(1008,1015) = 24×32×51×71×291
LCM(1008,1015) = 146160
Factors of 1008
List of positive integer factors of 1008 that divides 1008 without a remainder.
1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008
Factors of 1015
List of positive integer factors of 1015 that divides 1015 without a remainder.
1, 5, 7, 29, 35, 145, 203, 1015
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1008 and 1015, than apply into the LCM equation.
GCF(1008,1015) = 7
LCM(1008,1015) = ( 1008 × 1015) / 7
LCM(1008,1015) = 1023120 / 7
LCM(1008,1015) = 146160
(i) The LCM of 1015 and 1008 is associative
LCM of 1008 and 1015 = LCM of 1015 and 1008
1. What is the LCM of 1008 and 1015?
Answer: LCM of 1008 and 1015 is 146160.
2. What are the Factors of 1008?
Answer: Factors of 1008 are 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008. There are 30 integers that are factors of 1008. The greatest factor of 1008 is 1008.
3. What are the Factors of 1015?
Answer: Factors of 1015 are 1, 5, 7, 29, 35, 145, 203, 1015. There are 8 integers that are factors of 1015. The greatest factor of 1015 is 1015.
4. How to Find the LCM of 1008 and 1015?
Answer:
Least Common Multiple of 1008 and 1015 = 146160
Step 1: Find the prime factorization of 1008
1008 = 2 x 2 x 2 x 2 x 3 x 3 x 7
Step 2: Find the prime factorization of 1015
1015 = 5 x 7 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 146160 = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 29
Step 4: Therefore, the least common multiple of 1008 and 1015 is 146160.