Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8432 and 8440 the smallest integer that is 8895760 that is divisible by both numbers.
Least Common Multiple (LCM) of 8432 and 8440 is 8895760.
LCM(8432,8440) = 8895760
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 8432 and 8440. First we will calculate the prime factors of 8432 and 8440.
Prime Factorization of 8432
2 | 8432 |
2 | 4216 |
2 | 2108 |
2 | 1054 |
17 | 527 |
31 | 31 |
1 |
Prime factors of 8432 are 2, 17,31. Prime factorization of 8432 in exponential form is:
8432 = 24×171×311
Prime Factorization of 8440
2 | 8440 |
2 | 4220 |
2 | 2110 |
5 | 1055 |
211 | 211 |
1 |
Prime factors of 8440 are 2, 5,211. Prime factorization of 8440 in exponential form is:
8440 = 23×51×2111
Now multiplying the highest exponent prime factors to calculate the LCM of 8432 and 8440.
LCM(8432,8440) = 24×51×171×311×2111
LCM(8432,8440) = 8895760
Factors of 8432
List of positive integer factors of 8432 that divides 8432 without a remainder.
1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432
Factors of 8440
List of positive integer factors of 8440 that divides 8440 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8432 and 8440, than apply into the LCM equation.
GCF(8432,8440) = 8
LCM(8432,8440) = ( 8432 × 8440) / 8
LCM(8432,8440) = 71166080 / 8
LCM(8432,8440) = 8895760
(i) The LCM of 8440 and 8432 is associative
LCM of 8432 and 8440 = LCM of 8440 and 8432
1. What is the LCM of 8432 and 8440?
Answer: LCM of 8432 and 8440 is 8895760.
2. What are the Factors of 8432?
Answer: Factors of 8432 are 1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432. There are 20 integers that are factors of 8432. The greatest factor of 8432 is 8432.
3. What are the Factors of 8440?
Answer: Factors of 8440 are 1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440. There are 16 integers that are factors of 8440. The greatest factor of 8440 is 8440.
4. How to Find the LCM of 8432 and 8440?
Answer:
Least Common Multiple of 8432 and 8440 = 8895760
Step 1: Find the prime factorization of 8432
8432 = 2 x 2 x 2 x 2 x 17 x 31
Step 2: Find the prime factorization of 8440
8440 = 2 x 2 x 2 x 5 x 211
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8895760 = 2 x 2 x 2 x 2 x 5 x 17 x 31 x 211
Step 4: Therefore, the least common multiple of 8432 and 8440 is 8895760.