Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 427 and 429 the smallest integer that is 183183 that is divisible by both numbers.
Least Common Multiple (LCM) of 427 and 429 is 183183.
LCM(427,429) = 183183
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 427 and 429. First we will calculate the prime factors of 427 and 429.
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
Prime Factorization of 429
3 | 429 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 429 are 3, 11,13. Prime factorization of 429 in exponential form is:
429 = 31×111×131
Now multiplying the highest exponent prime factors to calculate the LCM of 427 and 429.
LCM(427,429) = 31×71×111×131×611
LCM(427,429) = 183183
Factors of 427
List of positive integer factors of 427 that divides 427 without a remainder.
1, 7, 61, 427
Factors of 429
List of positive integer factors of 429 that divides 429 without a remainder.
1, 3, 11, 13, 33, 39, 143, 429
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 427 and 429, than apply into the LCM equation.
GCF(427,429) = 1
LCM(427,429) = ( 427 × 429) / 1
LCM(427,429) = 183183 / 1
LCM(427,429) = 183183
(i) The LCM of 429 and 427 is associative
LCM of 427 and 429 = LCM of 429 and 427
1. What is the LCM of 427 and 429?
Answer: LCM of 427 and 429 is 183183.
2. 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.
3. What are the Factors of 429?
Answer: Factors of 429 are 1, 3, 11, 13, 33, 39, 143, 429. There are 8 integers that are factors of 429. The greatest factor of 429 is 429.
4. How to Find the LCM of 427 and 429?
Answer:
Least Common Multiple of 427 and 429 = 183183
Step 1: Find the prime factorization of 427
427 = 7 x 61
Step 2: Find the prime factorization of 429
429 = 3 x 11 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 183183 = 3 x 7 x 11 x 13 x 61
Step 4: Therefore, the least common multiple of 427 and 429 is 183183.