Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1625 and 1630 the smallest integer that is 529750 that is divisible by both numbers.
Least Common Multiple (LCM) of 1625 and 1630 is 529750.
LCM(1625,1630) = 529750
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 1625 and 1630. First we will calculate the prime factors of 1625 and 1630.
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
Prime Factorization of 1630
2 | 1630 |
5 | 815 |
163 | 163 |
1 |
Prime factors of 1630 are 2, 5,163. Prime factorization of 1630 in exponential form is:
1630 = 21×51×1631
Now multiplying the highest exponent prime factors to calculate the LCM of 1625 and 1630.
LCM(1625,1630) = 21×53×131×1631
LCM(1625,1630) = 529750
Factors of 1625
List of positive integer factors of 1625 that divides 1625 without a remainder.
1, 5, 13, 25, 65, 125, 325, 1625
Factors of 1630
List of positive integer factors of 1630 that divides 1630 without a remainder.
1, 2, 5, 10, 163, 326, 815, 1630
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1625 and 1630, than apply into the LCM equation.
GCF(1625,1630) = 5
LCM(1625,1630) = ( 1625 × 1630) / 5
LCM(1625,1630) = 2648750 / 5
LCM(1625,1630) = 529750
(i) The LCM of 1630 and 1625 is associative
LCM of 1625 and 1630 = LCM of 1630 and 1625
1. What is the LCM of 1625 and 1630?
Answer: LCM of 1625 and 1630 is 529750.
2. 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.
3. What are the Factors of 1630?
Answer: Factors of 1630 are 1, 2, 5, 10, 163, 326, 815, 1630. There are 8 integers that are factors of 1630. The greatest factor of 1630 is 1630.
4. How to Find the LCM of 1625 and 1630?
Answer:
Least Common Multiple of 1625 and 1630 = 529750
Step 1: Find the prime factorization of 1625
1625 = 5 x 5 x 5 x 13
Step 2: Find the prime factorization of 1630
1630 = 2 x 5 x 163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 529750 = 2 x 5 x 5 x 5 x 13 x 163
Step 4: Therefore, the least common multiple of 1625 and 1630 is 529750.