Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8430 and 8438 the smallest integer that is 35566170 that is divisible by both numbers.
Least Common Multiple (LCM) of 8430 and 8438 is 35566170.
LCM(8430,8438) = 35566170
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 8430 and 8438. First we will calculate the prime factors of 8430 and 8438.
Prime Factorization of 8430
2 | 8430 |
3 | 4215 |
5 | 1405 |
281 | 281 |
1 |
Prime factors of 8430 are 2, 3, 5,281. Prime factorization of 8430 in exponential form is:
8430 = 21×31×51×2811
Prime Factorization of 8438
2 | 8438 |
4219 | 4219 |
1 |
Prime factors of 8438 are 2,4219. Prime factorization of 8438 in exponential form is:
8438 = 21×42191
Now multiplying the highest exponent prime factors to calculate the LCM of 8430 and 8438.
LCM(8430,8438) = 21×31×51×2811×42191
LCM(8430,8438) = 35566170
Factors of 8430
List of positive integer factors of 8430 that divides 8430 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2810, 4215, 8430
Factors of 8438
List of positive integer factors of 8438 that divides 8438 without a remainder.
1, 2, 4219, 8438
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8430 and 8438, than apply into the LCM equation.
GCF(8430,8438) = 2
LCM(8430,8438) = ( 8430 × 8438) / 2
LCM(8430,8438) = 71132340 / 2
LCM(8430,8438) = 35566170
(i) The LCM of 8438 and 8430 is associative
LCM of 8430 and 8438 = LCM of 8438 and 8430
1. What is the LCM of 8430 and 8438?
Answer: LCM of 8430 and 8438 is 35566170.
2. What are the Factors of 8430?
Answer: Factors of 8430 are 1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2810, 4215, 8430. There are 16 integers that are factors of 8430. The greatest factor of 8430 is 8430.
3. What are the Factors of 8438?
Answer: Factors of 8438 are 1, 2, 4219, 8438. There are 4 integers that are factors of 8438. The greatest factor of 8438 is 8438.
4. How to Find the LCM of 8430 and 8438?
Answer:
Least Common Multiple of 8430 and 8438 = 35566170
Step 1: Find the prime factorization of 8430
8430 = 2 x 3 x 5 x 281
Step 2: Find the prime factorization of 8438
8438 = 2 x 4219
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 35566170 = 2 x 3 x 5 x 281 x 4219
Step 4: Therefore, the least common multiple of 8430 and 8438 is 35566170.