Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 625 and 631 the smallest integer that is 394375 that is divisible by both numbers.
Least Common Multiple (LCM) of 625 and 631 is 394375.
LCM(625,631) = 394375
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 625 and 631. First we will calculate the prime factors of 625 and 631.
Prime Factorization of 625
5 | 625 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 625 are 5. Prime factorization of 625 in exponential form is:
625 = 54
Prime Factorization of 631
631 | 631 |
1 |
Prime factors of 631 are 631. Prime factorization of 631 in exponential form is:
631 = 6311
Now multiplying the highest exponent prime factors to calculate the LCM of 625 and 631.
LCM(625,631) = 54×6311
LCM(625,631) = 394375
Factors of 625
List of positive integer factors of 625 that divides 625 without a remainder.
1, 5, 25, 125, 625
Factors of 631
List of positive integer factors of 631 that divides 631 without a remainder.
1, 631
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 625 and 631, than apply into the LCM equation.
GCF(625,631) = 1
LCM(625,631) = ( 625 × 631) / 1
LCM(625,631) = 394375 / 1
LCM(625,631) = 394375
(i) The LCM of 631 and 625 is associative
LCM of 625 and 631 = LCM of 631 and 625
1. What is the LCM of 625 and 631?
Answer: LCM of 625 and 631 is 394375.
2. What are the Factors of 625?
Answer: Factors of 625 are 1, 5, 25, 125, 625. There are 5 integers that are factors of 625. The greatest factor of 625 is 625.
3. What are the Factors of 631?
Answer: Factors of 631 are 1, 631. There are 2 integers that are factors of 631. The greatest factor of 631 is 631.
4. How to Find the LCM of 625 and 631?
Answer:
Least Common Multiple of 625 and 631 = 394375
Step 1: Find the prime factorization of 625
625 = 5 x 5 x 5 x 5
Step 2: Find the prime factorization of 631
631 = 631
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 394375 = 5 x 5 x 5 x 5 x 631
Step 4: Therefore, the least common multiple of 625 and 631 is 394375.