Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5680 and 5685 the smallest integer that is 6458160 that is divisible by both numbers.
Least Common Multiple (LCM) of 5680 and 5685 is 6458160.
LCM(5680,5685) = 6458160
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 5680 and 5685. First we will calculate the prime factors of 5680 and 5685.
Prime Factorization of 5680
2 | 5680 |
2 | 2840 |
2 | 1420 |
2 | 710 |
5 | 355 |
71 | 71 |
1 |
Prime factors of 5680 are 2, 5,71. Prime factorization of 5680 in exponential form is:
5680 = 24×51×711
Prime Factorization of 5685
3 | 5685 |
5 | 1895 |
379 | 379 |
1 |
Prime factors of 5685 are 3, 5,379. Prime factorization of 5685 in exponential form is:
5685 = 31×51×3791
Now multiplying the highest exponent prime factors to calculate the LCM of 5680 and 5685.
LCM(5680,5685) = 24×31×51×711×3791
LCM(5680,5685) = 6458160
Factors of 5680
List of positive integer factors of 5680 that divides 5680 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680
Factors of 5685
List of positive integer factors of 5685 that divides 5685 without a remainder.
1, 3, 5, 15, 379, 1137, 1895, 5685
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5680 and 5685, than apply into the LCM equation.
GCF(5680,5685) = 5
LCM(5680,5685) = ( 5680 × 5685) / 5
LCM(5680,5685) = 32290800 / 5
LCM(5680,5685) = 6458160
(i) The LCM of 5685 and 5680 is associative
LCM of 5680 and 5685 = LCM of 5685 and 5680
1. What is the LCM of 5680 and 5685?
Answer: LCM of 5680 and 5685 is 6458160.
2. What are the Factors of 5680?
Answer: Factors of 5680 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680. There are 20 integers that are factors of 5680. The greatest factor of 5680 is 5680.
3. What are the Factors of 5685?
Answer: Factors of 5685 are 1, 3, 5, 15, 379, 1137, 1895, 5685. There are 8 integers that are factors of 5685. The greatest factor of 5685 is 5685.
4. How to Find the LCM of 5680 and 5685?
Answer:
Least Common Multiple of 5680 and 5685 = 6458160
Step 1: Find the prime factorization of 5680
5680 = 2 x 2 x 2 x 2 x 5 x 71
Step 2: Find the prime factorization of 5685
5685 = 3 x 5 x 379
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6458160 = 2 x 2 x 2 x 2 x 3 x 5 x 71 x 379
Step 4: Therefore, the least common multiple of 5680 and 5685 is 6458160.