Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 20425 and 20432 the smallest integer that is 417323600 that is divisible by both numbers.
Least Common Multiple (LCM) of 20425 and 20432 is 417323600.
LCM(20425,20432) = 417323600
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 20425 and 20432. First we will calculate the prime factors of 20425 and 20432.
Prime Factorization of 20425
5 | 20425 |
5 | 4085 |
19 | 817 |
43 | 43 |
1 |
Prime factors of 20425 are 5, 19,43. Prime factorization of 20425 in exponential form is:
20425 = 52×191×431
Prime Factorization of 20432
2 | 20432 |
2 | 10216 |
2 | 5108 |
2 | 2554 |
1277 | 1277 |
1 |
Prime factors of 20432 are 2,1277. Prime factorization of 20432 in exponential form is:
20432 = 24×12771
Now multiplying the highest exponent prime factors to calculate the LCM of 20425 and 20432.
LCM(20425,20432) = 24×52×191×431×12771
LCM(20425,20432) = 417323600
Factors of 20425
List of positive integer factors of 20425 that divides 20425 without a remainder.
1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 20425
Factors of 20432
List of positive integer factors of 20432 that divides 20432 without a remainder.
1, 2, 4, 8, 16, 1277, 2554, 5108, 10216, 20432
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20425 and 20432, than apply into the LCM equation.
GCF(20425,20432) = 1
LCM(20425,20432) = ( 20425 × 20432) / 1
LCM(20425,20432) = 417323600 / 1
LCM(20425,20432) = 417323600
(i) The LCM of 20432 and 20425 is associative
LCM of 20425 and 20432 = LCM of 20432 and 20425
1. What is the LCM of 20425 and 20432?
Answer: LCM of 20425 and 20432 is 417323600.
2. What are the Factors of 20425?
Answer: Factors of 20425 are 1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 20425. There are 12 integers that are factors of 20425. The greatest factor of 20425 is 20425.
3. What are the Factors of 20432?
Answer: Factors of 20432 are 1, 2, 4, 8, 16, 1277, 2554, 5108, 10216, 20432. There are 10 integers that are factors of 20432. The greatest factor of 20432 is 20432.
4. How to Find the LCM of 20425 and 20432?
Answer:
Least Common Multiple of 20425 and 20432 = 417323600
Step 1: Find the prime factorization of 20425
20425 = 5 x 5 x 19 x 43
Step 2: Find the prime factorization of 20432
20432 = 2 x 2 x 2 x 2 x 1277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 417323600 = 2 x 2 x 2 x 2 x 5 x 5 x 19 x 43 x 1277
Step 4: Therefore, the least common multiple of 20425 and 20432 is 417323600.