Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8422 and 8430 the smallest integer that is 35498730 that is divisible by both numbers.
Least Common Multiple (LCM) of 8422 and 8430 is 35498730.
LCM(8422,8430) = 35498730
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 8422 and 8430. First we will calculate the prime factors of 8422 and 8430.
Prime Factorization of 8422
2 | 8422 |
4211 | 4211 |
1 |
Prime factors of 8422 are 2,4211. Prime factorization of 8422 in exponential form is:
8422 = 21×42111
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
Now multiplying the highest exponent prime factors to calculate the LCM of 8422 and 8430.
LCM(8422,8430) = 21×31×51×2811×42111
LCM(8422,8430) = 35498730
Factors of 8422
List of positive integer factors of 8422 that divides 8422 without a remainder.
1, 2, 4211, 8422
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8422 and 8430, than apply into the LCM equation.
GCF(8422,8430) = 2
LCM(8422,8430) = ( 8422 × 8430) / 2
LCM(8422,8430) = 70997460 / 2
LCM(8422,8430) = 35498730
(i) The LCM of 8430 and 8422 is associative
LCM of 8422 and 8430 = LCM of 8430 and 8422
1. What is the LCM of 8422 and 8430?
Answer: LCM of 8422 and 8430 is 35498730.
2. What are the Factors of 8422?
Answer: Factors of 8422 are 1, 2, 4211, 8422. There are 4 integers that are factors of 8422. The greatest factor of 8422 is 8422.
3. 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.
4. How to Find the LCM of 8422 and 8430?
Answer:
Least Common Multiple of 8422 and 8430 = 35498730
Step 1: Find the prime factorization of 8422
8422 = 2 x 4211
Step 2: Find the prime factorization of 8430
8430 = 2 x 3 x 5 x 281
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 35498730 = 2 x 3 x 5 x 281 x 4211
Step 4: Therefore, the least common multiple of 8422 and 8430 is 35498730.