Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 631 and 633 the smallest integer that is 399423 that is divisible by both numbers.
Least Common Multiple (LCM) of 631 and 633 is 399423.
LCM(631,633) = 399423
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 631 and 633. First we will calculate the prime factors of 631 and 633.
Prime Factorization of 631
631 | 631 |
1 |
Prime factors of 631 are 631. Prime factorization of 631 in exponential form is:
631 = 6311
Prime Factorization of 633
3 | 633 |
211 | 211 |
1 |
Prime factors of 633 are 3,211. Prime factorization of 633 in exponential form is:
633 = 31×2111
Now multiplying the highest exponent prime factors to calculate the LCM of 631 and 633.
LCM(631,633) = 31×2111×6311
LCM(631,633) = 399423
Factors of 631
List of positive integer factors of 631 that divides 631 without a remainder.
1, 631
Factors of 633
List of positive integer factors of 633 that divides 633 without a remainder.
1, 3, 211, 633
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 631 and 633, than apply into the LCM equation.
GCF(631,633) = 1
LCM(631,633) = ( 631 × 633) / 1
LCM(631,633) = 399423 / 1
LCM(631,633) = 399423
(i) The LCM of 633 and 631 is associative
LCM of 631 and 633 = LCM of 633 and 631
1. What is the LCM of 631 and 633?
Answer: LCM of 631 and 633 is 399423.
2. 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.
3. What are the Factors of 633?
Answer: Factors of 633 are 1, 3, 211, 633. There are 4 integers that are factors of 633. The greatest factor of 633 is 633.
4. How to Find the LCM of 631 and 633?
Answer:
Least Common Multiple of 631 and 633 = 399423
Step 1: Find the prime factorization of 631
631 = 631
Step 2: Find the prime factorization of 633
633 = 3 x 211
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 399423 = 3 x 211 x 631
Step 4: Therefore, the least common multiple of 631 and 633 is 399423.