Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 30012 and 30020 the smallest integer that is 225240060 that is divisible by both numbers.
Least Common Multiple (LCM) of 30012 and 30020 is 225240060.
LCM(30012,30020) = 225240060
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 30012 and 30020. First we will calculate the prime factors of 30012 and 30020.
Prime Factorization of 30012
2 | 30012 |
2 | 15006 |
3 | 7503 |
41 | 2501 |
61 | 61 |
1 |
Prime factors of 30012 are 2, 3, 41,61. Prime factorization of 30012 in exponential form is:
30012 = 22×31×411×611
Prime Factorization of 30020
2 | 30020 |
2 | 15010 |
5 | 7505 |
19 | 1501 |
79 | 79 |
1 |
Prime factors of 30020 are 2, 5, 19,79. Prime factorization of 30020 in exponential form is:
30020 = 22×51×191×791
Now multiplying the highest exponent prime factors to calculate the LCM of 30012 and 30020.
LCM(30012,30020) = 22×31×51×191×411×611×791
LCM(30012,30020) = 225240060
Factors of 30012
List of positive integer factors of 30012 that divides 30012 without a remainder.
1, 2, 3, 4, 6, 12, 41, 61, 82, 122, 123, 164, 183, 244, 246, 366, 492, 732, 2501, 5002, 7503, 10004, 15006, 30012
Factors of 30020
List of positive integer factors of 30020 that divides 30020 without a remainder.
1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30012 and 30020, than apply into the LCM equation.
GCF(30012,30020) = 4
LCM(30012,30020) = ( 30012 × 30020) / 4
LCM(30012,30020) = 900960240 / 4
LCM(30012,30020) = 225240060
(i) The LCM of 30020 and 30012 is associative
LCM of 30012 and 30020 = LCM of 30020 and 30012
1. What is the LCM of 30012 and 30020?
Answer: LCM of 30012 and 30020 is 225240060.
2. What are the Factors of 30012?
Answer: Factors of 30012 are 1, 2, 3, 4, 6, 12, 41, 61, 82, 122, 123, 164, 183, 244, 246, 366, 492, 732, 2501, 5002, 7503, 10004, 15006, 30012. There are 24 integers that are factors of 30012. The greatest factor of 30012 is 30012.
3. What are the Factors of 30020?
Answer: Factors of 30020 are 1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020. There are 24 integers that are factors of 30020. The greatest factor of 30020 is 30020.
4. How to Find the LCM of 30012 and 30020?
Answer:
Least Common Multiple of 30012 and 30020 = 225240060
Step 1: Find the prime factorization of 30012
30012 = 2 x 2 x 3 x 41 x 61
Step 2: Find the prime factorization of 30020
30020 = 2 x 2 x 5 x 19 x 79
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 225240060 = 2 x 2 x 3 x 5 x 19 x 41 x 61 x 79
Step 4: Therefore, the least common multiple of 30012 and 30020 is 225240060.