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 68784 the smallest integer that is 788470992 that is divisible by both numbers.
Least Common Multiple (LCM) of 68778 and 68784 is 788470992.
LCM(68778,68784) = 788470992
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 68784. First we will calculate the prime factors of 68778 and 68784.
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 68784
2 | 68784 |
2 | 34392 |
2 | 17196 |
2 | 8598 |
3 | 4299 |
1433 | 1433 |
1 |
Prime factors of 68784 are 2, 3,1433. Prime factorization of 68784 in exponential form is:
68784 = 24×31×14331
Now multiplying the highest exponent prime factors to calculate the LCM of 68778 and 68784.
LCM(68778,68784) = 24×32×14331×38211
LCM(68778,68784) = 788470992
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 68784
List of positive integer factors of 68784 that divides 68784 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1433, 2866, 4299, 5732, 8598, 11464, 17196, 22928, 34392, 68784
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68778 and 68784, than apply into the LCM equation.
GCF(68778,68784) = 6
LCM(68778,68784) = ( 68778 × 68784) / 6
LCM(68778,68784) = 4730825952 / 6
LCM(68778,68784) = 788470992
(i) The LCM of 68784 and 68778 is associative
LCM of 68778 and 68784 = LCM of 68784 and 68778
1. What is the LCM of 68778 and 68784?
Answer: LCM of 68778 and 68784 is 788470992.
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 68784?
Answer: Factors of 68784 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1433, 2866, 4299, 5732, 8598, 11464, 17196, 22928, 34392, 68784. There are 20 integers that are factors of 68784. The greatest factor of 68784 is 68784.
4. How to Find the LCM of 68778 and 68784?
Answer:
Least Common Multiple of 68778 and 68784 = 788470992
Step 1: Find the prime factorization of 68778
68778 = 2 x 3 x 3 x 3821
Step 2: Find the prime factorization of 68784
68784 = 2 x 2 x 2 x 2 x 3 x 1433
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 788470992 = 2 x 2 x 2 x 2 x 3 x 3 x 1433 x 3821
Step 4: Therefore, the least common multiple of 68778 and 68784 is 788470992.