Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 419 and 424 the smallest integer that is 177656 that is divisible by both numbers.
Least Common Multiple (LCM) of 419 and 424 is 177656.
LCM(419,424) = 177656
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 419 and 424. First we will calculate the prime factors of 419 and 424.
Prime Factorization of 419
419 | 419 |
1 |
Prime factors of 419 are 419. Prime factorization of 419 in exponential form is:
419 = 4191
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
Now multiplying the highest exponent prime factors to calculate the LCM of 419 and 424.
LCM(419,424) = 23×531×4191
LCM(419,424) = 177656
Factors of 419
List of positive integer factors of 419 that divides 419 without a remainder.
1, 419
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1, 2, 4, 8, 53, 106, 212, 424
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 419 and 424, than apply into the LCM equation.
GCF(419,424) = 1
LCM(419,424) = ( 419 × 424) / 1
LCM(419,424) = 177656 / 1
LCM(419,424) = 177656
(i) The LCM of 424 and 419 is associative
LCM of 419 and 424 = LCM of 424 and 419
1. What is the LCM of 419 and 424?
Answer: LCM of 419 and 424 is 177656.
2. What are the Factors of 419?
Answer: Factors of 419 are 1, 419. There are 2 integers that are factors of 419. The greatest factor of 419 is 419.
3. 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.
4. How to Find the LCM of 419 and 424?
Answer:
Least Common Multiple of 419 and 424 = 177656
Step 1: Find the prime factorization of 419
419 = 419
Step 2: Find the prime factorization of 424
424 = 2 x 2 x 2 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 177656 = 2 x 2 x 2 x 53 x 419
Step 4: Therefore, the least common multiple of 419 and 424 is 177656.