Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 426 and 432 the smallest integer that is 30672 that is divisible by both numbers.
Least Common Multiple (LCM) of 426 and 432 is 30672.
LCM(426,432) = 30672
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 426 and 432. First we will calculate the prime factors of 426 and 432.
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
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 426 and 432.
LCM(426,432) = 24×33×711
LCM(426,432) = 30672
Factors of 426
List of positive integer factors of 426 that divides 426 without a remainder.
1, 2, 3, 6, 71, 142, 213, 426
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 426 and 432, than apply into the LCM equation.
GCF(426,432) = 6
LCM(426,432) = ( 426 × 432) / 6
LCM(426,432) = 184032 / 6
LCM(426,432) = 30672
(i) The LCM of 432 and 426 is associative
LCM of 426 and 432 = LCM of 432 and 426
1. What is the LCM of 426 and 432?
Answer: LCM of 426 and 432 is 30672.
2. 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.
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 426 and 432?
Answer:
Least Common Multiple of 426 and 432 = 30672
Step 1: Find the prime factorization of 426
426 = 2 x 3 x 71
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 = 30672 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 71
Step 4: Therefore, the least common multiple of 426 and 432 is 30672.