Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 422 and 427 the smallest integer that is 180194 that is divisible by both numbers.
Least Common Multiple (LCM) of 422 and 427 is 180194.
LCM(422,427) = 180194
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 422 and 427. First we will calculate the prime factors of 422 and 427.
Prime Factorization of 422
2 | 422 |
211 | 211 |
1 |
Prime factors of 422 are 2,211. Prime factorization of 422 in exponential form is:
422 = 21×2111
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 422 and 427.
LCM(422,427) = 21×71×611×2111
LCM(422,427) = 180194
Factors of 422
List of positive integer factors of 422 that divides 422 without a remainder.
1, 2, 211, 422
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 422 and 427, than apply into the LCM equation.
GCF(422,427) = 1
LCM(422,427) = ( 422 × 427) / 1
LCM(422,427) = 180194 / 1
LCM(422,427) = 180194
(i) The LCM of 427 and 422 is associative
LCM of 422 and 427 = LCM of 427 and 422
1. What is the LCM of 422 and 427?
Answer: LCM of 422 and 427 is 180194.
2. What are the Factors of 422?
Answer: Factors of 422 are 1, 2, 211, 422. There are 4 integers that are factors of 422. The greatest factor of 422 is 422.
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 422 and 427?
Answer:
Least Common Multiple of 422 and 427 = 180194
Step 1: Find the prime factorization of 422
422 = 2 x 211
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 = 180194 = 2 x 7 x 61 x 211
Step 4: Therefore, the least common multiple of 422 and 427 is 180194.