Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1624 and 1625 the smallest integer that is 2639000 that is divisible by both numbers.
Least Common Multiple (LCM) of 1624 and 1625 is 2639000.
LCM(1624,1625) = 2639000
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 1624 and 1625. First we will calculate the prime factors of 1624 and 1625.
Prime Factorization of 1624
2 | 1624 |
2 | 812 |
2 | 406 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 1624 are 2, 7,29. Prime factorization of 1624 in exponential form is:
1624 = 23×71×291
Prime Factorization of 1625
5 | 1625 |
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 1625 are 5,13. Prime factorization of 1625 in exponential form is:
1625 = 53×131
Now multiplying the highest exponent prime factors to calculate the LCM of 1624 and 1625.
LCM(1624,1625) = 23×53×71×131×291
LCM(1624,1625) = 2639000
Factors of 1624
List of positive integer factors of 1624 that divides 1624 without a remainder.
1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624
Factors of 1625
List of positive integer factors of 1625 that divides 1625 without a remainder.
1, 5, 13, 25, 65, 125, 325, 1625
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1624 and 1625, than apply into the LCM equation.
GCF(1624,1625) = 1
LCM(1624,1625) = ( 1624 × 1625) / 1
LCM(1624,1625) = 2639000 / 1
LCM(1624,1625) = 2639000
(i) The LCM of 1625 and 1624 is associative
LCM of 1624 and 1625 = LCM of 1625 and 1624
1. What is the LCM of 1624 and 1625?
Answer: LCM of 1624 and 1625 is 2639000.
2. What are the Factors of 1624?
Answer: Factors of 1624 are 1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624. There are 16 integers that are factors of 1624. The greatest factor of 1624 is 1624.
3. What are the Factors of 1625?
Answer: Factors of 1625 are 1, 5, 13, 25, 65, 125, 325, 1625. There are 8 integers that are factors of 1625. The greatest factor of 1625 is 1625.
4. How to Find the LCM of 1624 and 1625?
Answer:
Least Common Multiple of 1624 and 1625 = 2639000
Step 1: Find the prime factorization of 1624
1624 = 2 x 2 x 2 x 7 x 29
Step 2: Find the prime factorization of 1625
1625 = 5 x 5 x 5 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 = 2639000 = 2 x 2 x 2 x 5 x 5 x 5 x 7 x 13 x 29
Step 4: Therefore, the least common multiple of 1624 and 1625 is 2639000.