Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8418 and 8424 the smallest integer that is 11818872 that is divisible by both numbers.
Least Common Multiple (LCM) of 8418 and 8424 is 11818872.
LCM(8418,8424) = 11818872
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 8418 and 8424. First we will calculate the prime factors of 8418 and 8424.
Prime Factorization of 8418
2 | 8418 |
3 | 4209 |
23 | 1403 |
61 | 61 |
1 |
Prime factors of 8418 are 2, 3, 23,61. Prime factorization of 8418 in exponential form is:
8418 = 21×31×231×611
Prime Factorization of 8424
2 | 8424 |
2 | 4212 |
2 | 2106 |
3 | 1053 |
3 | 351 |
3 | 117 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 8424 are 2, 3,13. Prime factorization of 8424 in exponential form is:
8424 = 23×34×131
Now multiplying the highest exponent prime factors to calculate the LCM of 8418 and 8424.
LCM(8418,8424) = 23×34×131×231×611
LCM(8418,8424) = 11818872
Factors of 8418
List of positive integer factors of 8418 that divides 8418 without a remainder.
1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 366, 1403, 2806, 4209, 8418
Factors of 8424
List of positive integer factors of 8424 that divides 8424 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8418 and 8424, than apply into the LCM equation.
GCF(8418,8424) = 6
LCM(8418,8424) = ( 8418 × 8424) / 6
LCM(8418,8424) = 70913232 / 6
LCM(8418,8424) = 11818872
(i) The LCM of 8424 and 8418 is associative
LCM of 8418 and 8424 = LCM of 8424 and 8418
1. What is the LCM of 8418 and 8424?
Answer: LCM of 8418 and 8424 is 11818872.
2. What are the Factors of 8418?
Answer: Factors of 8418 are 1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 366, 1403, 2806, 4209, 8418. There are 16 integers that are factors of 8418. The greatest factor of 8418 is 8418.
3. What are the Factors of 8424?
Answer: Factors of 8424 are 1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424. There are 40 integers that are factors of 8424. The greatest factor of 8424 is 8424.
4. How to Find the LCM of 8418 and 8424?
Answer:
Least Common Multiple of 8418 and 8424 = 11818872
Step 1: Find the prime factorization of 8418
8418 = 2 x 3 x 23 x 61
Step 2: Find the prime factorization of 8424
8424 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11818872 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 13 x 23 x 61
Step 4: Therefore, the least common multiple of 8418 and 8424 is 11818872.