Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 12213 and 12220 the smallest integer that is 149242860 that is divisible by both numbers.
Least Common Multiple (LCM) of 12213 and 12220 is 149242860.
LCM(12213,12220) = 149242860
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 12213 and 12220. First we will calculate the prime factors of 12213 and 12220.
Prime Factorization of 12213
3 | 12213 |
3 | 4071 |
23 | 1357 |
59 | 59 |
1 |
Prime factors of 12213 are 3, 23,59. Prime factorization of 12213 in exponential form is:
12213 = 32×231×591
Prime Factorization of 12220
2 | 12220 |
2 | 6110 |
5 | 3055 |
13 | 611 |
47 | 47 |
1 |
Prime factors of 12220 are 2, 5, 13,47. Prime factorization of 12220 in exponential form is:
12220 = 22×51×131×471
Now multiplying the highest exponent prime factors to calculate the LCM of 12213 and 12220.
LCM(12213,12220) = 22×32×51×131×231×471×591
LCM(12213,12220) = 149242860
Factors of 12213
List of positive integer factors of 12213 that divides 12213 without a remainder.
1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213
Factors of 12220
List of positive integer factors of 12220 that divides 12220 without a remainder.
1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12213 and 12220, than apply into the LCM equation.
GCF(12213,12220) = 1
LCM(12213,12220) = ( 12213 × 12220) / 1
LCM(12213,12220) = 149242860 / 1
LCM(12213,12220) = 149242860
(i) The LCM of 12220 and 12213 is associative
LCM of 12213 and 12220 = LCM of 12220 and 12213
1. What is the LCM of 12213 and 12220?
Answer: LCM of 12213 and 12220 is 149242860.
2. What are the Factors of 12213?
Answer: Factors of 12213 are 1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213. There are 12 integers that are factors of 12213. The greatest factor of 12213 is 12213.
3. What are the Factors of 12220?
Answer: Factors of 12220 are 1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220. There are 24 integers that are factors of 12220. The greatest factor of 12220 is 12220.
4. How to Find the LCM of 12213 and 12220?
Answer:
Least Common Multiple of 12213 and 12220 = 149242860
Step 1: Find the prime factorization of 12213
12213 = 3 x 3 x 23 x 59
Step 2: Find the prime factorization of 12220
12220 = 2 x 2 x 5 x 13 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 149242860 = 2 x 2 x 3 x 3 x 5 x 13 x 23 x 47 x 59
Step 4: Therefore, the least common multiple of 12213 and 12220 is 149242860.