Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 68778 and 68785 the smallest integer that is 4730894730 that is divisible by both numbers.
Least Common Multiple (LCM) of 68778 and 68785 is 4730894730.
LCM(68778,68785) = 4730894730
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 68778 and 68785. First we will calculate the prime factors of 68778 and 68785.
Prime Factorization of 68778
2 | 68778 |
3 | 34389 |
3 | 11463 |
3821 | 3821 |
1 |
Prime factors of 68778 are 2, 3,3821. Prime factorization of 68778 in exponential form is:
68778 = 21×32×38211
Prime Factorization of 68785
5 | 68785 |
13757 | 13757 |
1 |
Prime factors of 68785 are 5,13757. Prime factorization of 68785 in exponential form is:
68785 = 51×137571
Now multiplying the highest exponent prime factors to calculate the LCM of 68778 and 68785.
LCM(68778,68785) = 21×32×51×38211×137571
LCM(68778,68785) = 4730894730
Factors of 68778
List of positive integer factors of 68778 that divides 68778 without a remainder.
1, 2, 3, 6, 9, 18, 3821, 7642, 11463, 22926, 34389, 68778
Factors of 68785
List of positive integer factors of 68785 that divides 68785 without a remainder.
1, 5, 13757, 68785
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68778 and 68785, than apply into the LCM equation.
GCF(68778,68785) = 1
LCM(68778,68785) = ( 68778 × 68785) / 1
LCM(68778,68785) = 4730894730 / 1
LCM(68778,68785) = 4730894730
(i) The LCM of 68785 and 68778 is associative
LCM of 68778 and 68785 = LCM of 68785 and 68778
1. What is the LCM of 68778 and 68785?
Answer: LCM of 68778 and 68785 is 4730894730.
2. What are the Factors of 68778?
Answer: Factors of 68778 are 1, 2, 3, 6, 9, 18, 3821, 7642, 11463, 22926, 34389, 68778. There are 12 integers that are factors of 68778. The greatest factor of 68778 is 68778.
3. What are the Factors of 68785?
Answer: Factors of 68785 are 1, 5, 13757, 68785. There are 4 integers that are factors of 68785. The greatest factor of 68785 is 68785.
4. How to Find the LCM of 68778 and 68785?
Answer:
Least Common Multiple of 68778 and 68785 = 4730894730
Step 1: Find the prime factorization of 68778
68778 = 2 x 3 x 3 x 3821
Step 2: Find the prime factorization of 68785
68785 = 5 x 13757
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4730894730 = 2 x 3 x 3 x 5 x 3821 x 13757
Step 4: Therefore, the least common multiple of 68778 and 68785 is 4730894730.