Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 68805 and 68812 the smallest integer that is 4734609660 that is divisible by both numbers.
Least Common Multiple (LCM) of 68805 and 68812 is 4734609660.
LCM(68805,68812) = 4734609660
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 68805 and 68812. First we will calculate the prime factors of 68805 and 68812.
Prime Factorization of 68805
3 | 68805 |
3 | 22935 |
5 | 7645 |
11 | 1529 |
139 | 139 |
1 |
Prime factors of 68805 are 3, 5, 11,139. Prime factorization of 68805 in exponential form is:
68805 = 32×51×111×1391
Prime Factorization of 68812
2 | 68812 |
2 | 34406 |
17203 | 17203 |
1 |
Prime factors of 68812 are 2,17203. Prime factorization of 68812 in exponential form is:
68812 = 22×172031
Now multiplying the highest exponent prime factors to calculate the LCM of 68805 and 68812.
LCM(68805,68812) = 22×32×51×111×1391×172031
LCM(68805,68812) = 4734609660
Factors of 68805
List of positive integer factors of 68805 that divides 68805 without a remainder.
1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 139, 165, 417, 495, 695, 1251, 1529, 2085, 4587, 6255, 7645, 13761, 22935, 68805
Factors of 68812
List of positive integer factors of 68812 that divides 68812 without a remainder.
1, 2, 4, 17203, 34406, 68812
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68805 and 68812, than apply into the LCM equation.
GCF(68805,68812) = 1
LCM(68805,68812) = ( 68805 × 68812) / 1
LCM(68805,68812) = 4734609660 / 1
LCM(68805,68812) = 4734609660
(i) The LCM of 68812 and 68805 is associative
LCM of 68805 and 68812 = LCM of 68812 and 68805
1. What is the LCM of 68805 and 68812?
Answer: LCM of 68805 and 68812 is 4734609660.
2. What are the Factors of 68805?
Answer: Factors of 68805 are 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 139, 165, 417, 495, 695, 1251, 1529, 2085, 4587, 6255, 7645, 13761, 22935, 68805. There are 24 integers that are factors of 68805. The greatest factor of 68805 is 68805.
3. What are the Factors of 68812?
Answer: Factors of 68812 are 1, 2, 4, 17203, 34406, 68812. There are 6 integers that are factors of 68812. The greatest factor of 68812 is 68812.
4. How to Find the LCM of 68805 and 68812?
Answer:
Least Common Multiple of 68805 and 68812 = 4734609660
Step 1: Find the prime factorization of 68805
68805 = 3 x 3 x 5 x 11 x 139
Step 2: Find the prime factorization of 68812
68812 = 2 x 2 x 17203
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4734609660 = 2 x 2 x 3 x 3 x 5 x 11 x 139 x 17203
Step 4: Therefore, the least common multiple of 68805 and 68812 is 4734609660.