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 426 the smallest integer that is 178494 that is divisible by both numbers.
Least Common Multiple (LCM) of 419 and 426 is 178494.
LCM(419,426) = 178494
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 426. First we will calculate the prime factors of 419 and 426.
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 426
2 | 426 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 426 are 2, 3,71. Prime factorization of 426 in exponential form is:
426 = 21×31×711
Now multiplying the highest exponent prime factors to calculate the LCM of 419 and 426.
LCM(419,426) = 21×31×711×4191
LCM(419,426) = 178494
Factors of 419
List of positive integer factors of 419 that divides 419 without a remainder.
1, 419
Factors of 426
List of positive integer factors of 426 that divides 426 without a remainder.
1, 2, 3, 6, 71, 142, 213, 426
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 419 and 426, than apply into the LCM equation.
GCF(419,426) = 1
LCM(419,426) = ( 419 × 426) / 1
LCM(419,426) = 178494 / 1
LCM(419,426) = 178494
(i) The LCM of 426 and 419 is associative
LCM of 419 and 426 = LCM of 426 and 419
1. What is the LCM of 419 and 426?
Answer: LCM of 419 and 426 is 178494.
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 426?
Answer: Factors of 426 are 1, 2, 3, 6, 71, 142, 213, 426. There are 8 integers that are factors of 426. The greatest factor of 426 is 426.
4. How to Find the LCM of 419 and 426?
Answer:
Least Common Multiple of 419 and 426 = 178494
Step 1: Find the prime factorization of 419
419 = 419
Step 2: Find the prime factorization of 426
426 = 2 x 3 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 178494 = 2 x 3 x 71 x 419
Step 4: Therefore, the least common multiple of 419 and 426 is 178494.