Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 424 and 430 the smallest integer that is 91160 that is divisible by both numbers.
Least Common Multiple (LCM) of 424 and 430 is 91160.
LCM(424,430) = 91160
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 424 and 430. First we will calculate the prime factors of 424 and 430.
Prime Factorization of 424
2 | 424 |
2 | 212 |
2 | 106 |
53 | 53 |
1 |
Prime factors of 424 are 2,53. Prime factorization of 424 in exponential form is:
424 = 23×531
Prime Factorization of 430
2 | 430 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 430 are 2, 5,43. Prime factorization of 430 in exponential form is:
430 = 21×51×431
Now multiplying the highest exponent prime factors to calculate the LCM of 424 and 430.
LCM(424,430) = 23×51×431×531
LCM(424,430) = 91160
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1, 2, 4, 8, 53, 106, 212, 424
Factors of 430
List of positive integer factors of 430 that divides 430 without a remainder.
1, 2, 5, 10, 43, 86, 215, 430
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 424 and 430, than apply into the LCM equation.
GCF(424,430) = 2
LCM(424,430) = ( 424 × 430) / 2
LCM(424,430) = 182320 / 2
LCM(424,430) = 91160
(i) The LCM of 430 and 424 is associative
LCM of 424 and 430 = LCM of 430 and 424
1. What is the LCM of 424 and 430?
Answer: LCM of 424 and 430 is 91160.
2. What are the Factors of 424?
Answer: Factors of 424 are 1, 2, 4, 8, 53, 106, 212, 424. There are 8 integers that are factors of 424. The greatest factor of 424 is 424.
3. What are the Factors of 430?
Answer: Factors of 430 are 1, 2, 5, 10, 43, 86, 215, 430. There are 8 integers that are factors of 430. The greatest factor of 430 is 430.
4. How to Find the LCM of 424 and 430?
Answer:
Least Common Multiple of 424 and 430 = 91160
Step 1: Find the prime factorization of 424
424 = 2 x 2 x 2 x 53
Step 2: Find the prime factorization of 430
430 = 2 x 5 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 91160 = 2 x 2 x 2 x 5 x 43 x 53
Step 4: Therefore, the least common multiple of 424 and 430 is 91160.