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 427 the smallest integer that is 178913 that is divisible by both numbers.
Least Common Multiple (LCM) of 419 and 427 is 178913.
LCM(419,427) = 178913
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 427. First we will calculate the prime factors of 419 and 427.
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 427
7 | 427 |
61 | 61 |
1 |
Prime factors of 427 are 7,61. Prime factorization of 427 in exponential form is:
427 = 71×611
Now multiplying the highest exponent prime factors to calculate the LCM of 419 and 427.
LCM(419,427) = 71×611×4191
LCM(419,427) = 178913
Factors of 419
List of positive integer factors of 419 that divides 419 without a remainder.
1, 419
Factors of 427
List of positive integer factors of 427 that divides 427 without a remainder.
1, 7, 61, 427
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 419 and 427, than apply into the LCM equation.
GCF(419,427) = 1
LCM(419,427) = ( 419 × 427) / 1
LCM(419,427) = 178913 / 1
LCM(419,427) = 178913
(i) The LCM of 427 and 419 is associative
LCM of 419 and 427 = LCM of 427 and 419
1. What is the LCM of 419 and 427?
Answer: LCM of 419 and 427 is 178913.
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 427?
Answer: Factors of 427 are 1, 7, 61, 427. There are 4 integers that are factors of 427. The greatest factor of 427 is 427.
4. How to Find the LCM of 419 and 427?
Answer:
Least Common Multiple of 419 and 427 = 178913
Step 1: Find the prime factorization of 419
419 = 419
Step 2: Find the prime factorization of 427
427 = 7 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 178913 = 7 x 61 x 419
Step 4: Therefore, the least common multiple of 419 and 427 is 178913.