Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4085 and 4092 the smallest integer that is 16715820 that is divisible by both numbers.
Least Common Multiple (LCM) of 4085 and 4092 is 16715820.
LCM(4085,4092) = 16715820
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 4085 and 4092. First we will calculate the prime factors of 4085 and 4092.
Prime Factorization of 4085
5 | 4085 |
19 | 817 |
43 | 43 |
1 |
Prime factors of 4085 are 5, 19,43. Prime factorization of 4085 in exponential form is:
4085 = 51×191×431
Prime Factorization of 4092
2 | 4092 |
2 | 2046 |
3 | 1023 |
11 | 341 |
31 | 31 |
1 |
Prime factors of 4092 are 2, 3, 11,31. Prime factorization of 4092 in exponential form is:
4092 = 22×31×111×311
Now multiplying the highest exponent prime factors to calculate the LCM of 4085 and 4092.
LCM(4085,4092) = 22×31×51×111×191×311×431
LCM(4085,4092) = 16715820
Factors of 4085
List of positive integer factors of 4085 that divides 4085 without a remainder.
1, 5, 19, 43, 95, 215, 817, 4085
Factors of 4092
List of positive integer factors of 4092 that divides 4092 without a remainder.
1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4085 and 4092, than apply into the LCM equation.
GCF(4085,4092) = 1
LCM(4085,4092) = ( 4085 × 4092) / 1
LCM(4085,4092) = 16715820 / 1
LCM(4085,4092) = 16715820
(i) The LCM of 4092 and 4085 is associative
LCM of 4085 and 4092 = LCM of 4092 and 4085
1. What is the LCM of 4085 and 4092?
Answer: LCM of 4085 and 4092 is 16715820.
2. What are the Factors of 4085?
Answer: Factors of 4085 are 1, 5, 19, 43, 95, 215, 817, 4085. There are 8 integers that are factors of 4085. The greatest factor of 4085 is 4085.
3. What are the Factors of 4092?
Answer: Factors of 4092 are 1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092. There are 24 integers that are factors of 4092. The greatest factor of 4092 is 4092.
4. How to Find the LCM of 4085 and 4092?
Answer:
Least Common Multiple of 4085 and 4092 = 16715820
Step 1: Find the prime factorization of 4085
4085 = 5 x 19 x 43
Step 2: Find the prime factorization of 4092
4092 = 2 x 2 x 3 x 11 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 16715820 = 2 x 2 x 3 x 5 x 11 x 19 x 31 x 43
Step 4: Therefore, the least common multiple of 4085 and 4092 is 16715820.