Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 431 and 432 the smallest integer that is 186192 that is divisible by both numbers.
Least Common Multiple (LCM) of 431 and 432 is 186192.
LCM(431,432) = 186192
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 431 and 432. First we will calculate the prime factors of 431 and 432.
Prime Factorization of 431
431 | 431 |
1 |
Prime factors of 431 are 431. Prime factorization of 431 in exponential form is:
431 = 4311
Prime Factorization of 432
2 | 432 |
2 | 216 |
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 432 are 2,3. Prime factorization of 432 in exponential form is:
432 = 24×33
Now multiplying the highest exponent prime factors to calculate the LCM of 431 and 432.
LCM(431,432) = 24×33×4311
LCM(431,432) = 186192
Factors of 431
List of positive integer factors of 431 that divides 431 without a remainder.
1, 431
Factors of 432
List of positive integer factors of 432 that divides 432 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 431 and 432, than apply into the LCM equation.
GCF(431,432) = 1
LCM(431,432) = ( 431 × 432) / 1
LCM(431,432) = 186192 / 1
LCM(431,432) = 186192
(i) The LCM of 432 and 431 is associative
LCM of 431 and 432 = LCM of 432 and 431
1. What is the LCM of 431 and 432?
Answer: LCM of 431 and 432 is 186192.
2. What are the Factors of 431?
Answer: Factors of 431 are 1, 431. There are 2 integers that are factors of 431. The greatest factor of 431 is 431.
3. What are the Factors of 432?
Answer: Factors of 432 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432. There are 20 integers that are factors of 432. The greatest factor of 432 is 432.
4. How to Find the LCM of 431 and 432?
Answer:
Least Common Multiple of 431 and 432 = 186192
Step 1: Find the prime factorization of 431
431 = 431
Step 2: Find the prime factorization of 432
432 = 2 x 2 x 2 x 2 x 3 x 3 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 186192 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 431
Step 4: Therefore, the least common multiple of 431 and 432 is 186192.