Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 635 and 636 the smallest integer that is 403860 that is divisible by both numbers.
Least Common Multiple (LCM) of 635 and 636 is 403860.
LCM(635,636) = 403860
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 635 and 636. First we will calculate the prime factors of 635 and 636.
Prime Factorization of 635
5 | 635 |
127 | 127 |
1 |
Prime factors of 635 are 5,127. Prime factorization of 635 in exponential form is:
635 = 51×1271
Prime Factorization of 636
2 | 636 |
2 | 318 |
3 | 159 |
53 | 53 |
1 |
Prime factors of 636 are 2, 3,53. Prime factorization of 636 in exponential form is:
636 = 22×31×531
Now multiplying the highest exponent prime factors to calculate the LCM of 635 and 636.
LCM(635,636) = 22×31×51×531×1271
LCM(635,636) = 403860
Factors of 635
List of positive integer factors of 635 that divides 635 without a remainder.
1, 5, 127, 635
Factors of 636
List of positive integer factors of 636 that divides 636 without a remainder.
1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 635 and 636, than apply into the LCM equation.
GCF(635,636) = 1
LCM(635,636) = ( 635 × 636) / 1
LCM(635,636) = 403860 / 1
LCM(635,636) = 403860
(i) The LCM of 636 and 635 is associative
LCM of 635 and 636 = LCM of 636 and 635
1. What is the LCM of 635 and 636?
Answer: LCM of 635 and 636 is 403860.
2. What are the Factors of 635?
Answer: Factors of 635 are 1, 5, 127, 635. There are 4 integers that are factors of 635. The greatest factor of 635 is 635.
3. What are the Factors of 636?
Answer: Factors of 636 are 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636. There are 12 integers that are factors of 636. The greatest factor of 636 is 636.
4. How to Find the LCM of 635 and 636?
Answer:
Least Common Multiple of 635 and 636 = 403860
Step 1: Find the prime factorization of 635
635 = 5 x 127
Step 2: Find the prime factorization of 636
636 = 2 x 2 x 3 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 403860 = 2 x 2 x 3 x 5 x 53 x 127
Step 4: Therefore, the least common multiple of 635 and 636 is 403860.