Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5725 and 5728 the smallest integer that is 32792800 that is divisible by both numbers.
Least Common Multiple (LCM) of 5725 and 5728 is 32792800.
LCM(5725,5728) = 32792800
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 5725 and 5728. First we will calculate the prime factors of 5725 and 5728.
Prime Factorization of 5725
5 | 5725 |
5 | 1145 |
229 | 229 |
1 |
Prime factors of 5725 are 5,229. Prime factorization of 5725 in exponential form is:
5725 = 52×2291
Prime Factorization of 5728
2 | 5728 |
2 | 2864 |
2 | 1432 |
2 | 716 |
2 | 358 |
179 | 179 |
1 |
Prime factors of 5728 are 2,179. Prime factorization of 5728 in exponential form is:
5728 = 25×1791
Now multiplying the highest exponent prime factors to calculate the LCM of 5725 and 5728.
LCM(5725,5728) = 25×52×1791×2291
LCM(5725,5728) = 32792800
Factors of 5725
List of positive integer factors of 5725 that divides 5725 without a remainder.
1, 5, 25, 229, 1145, 5725
Factors of 5728
List of positive integer factors of 5728 that divides 5728 without a remainder.
1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, 5728
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5725 and 5728, than apply into the LCM equation.
GCF(5725,5728) = 1
LCM(5725,5728) = ( 5725 × 5728) / 1
LCM(5725,5728) = 32792800 / 1
LCM(5725,5728) = 32792800
(i) The LCM of 5728 and 5725 is associative
LCM of 5725 and 5728 = LCM of 5728 and 5725
1. What is the LCM of 5725 and 5728?
Answer: LCM of 5725 and 5728 is 32792800.
2. What are the Factors of 5725?
Answer: Factors of 5725 are 1, 5, 25, 229, 1145, 5725. There are 6 integers that are factors of 5725. The greatest factor of 5725 is 5725.
3. What are the Factors of 5728?
Answer: Factors of 5728 are 1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, 5728. There are 12 integers that are factors of 5728. The greatest factor of 5728 is 5728.
4. How to Find the LCM of 5725 and 5728?
Answer:
Least Common Multiple of 5725 and 5728 = 32792800
Step 1: Find the prime factorization of 5725
5725 = 5 x 5 x 229
Step 2: Find the prime factorization of 5728
5728 = 2 x 2 x 2 x 2 x 2 x 179
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 32792800 = 2 x 2 x 2 x 2 x 2 x 5 x 5 x 179 x 229
Step 4: Therefore, the least common multiple of 5725 and 5728 is 32792800.