Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 11305 and 11312 the smallest integer that is 18268880 that is divisible by both numbers.
Least Common Multiple (LCM) of 11305 and 11312 is 18268880.
LCM(11305,11312) = 18268880
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 11305 and 11312. First we will calculate the prime factors of 11305 and 11312.
Prime Factorization of 11305
5 | 11305 |
7 | 2261 |
17 | 323 |
19 | 19 |
1 |
Prime factors of 11305 are 5, 7, 17,19. Prime factorization of 11305 in exponential form is:
11305 = 51×71×171×191
Prime Factorization of 11312
2 | 11312 |
2 | 5656 |
2 | 2828 |
2 | 1414 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 11312 are 2, 7,101. Prime factorization of 11312 in exponential form is:
11312 = 24×71×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 11305 and 11312.
LCM(11305,11312) = 24×51×71×171×191×1011
LCM(11305,11312) = 18268880
Factors of 11305
List of positive integer factors of 11305 that divides 11305 without a remainder.
1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305
Factors of 11312
List of positive integer factors of 11312 that divides 11312 without a remainder.
1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 11312
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11305 and 11312, than apply into the LCM equation.
GCF(11305,11312) = 7
LCM(11305,11312) = ( 11305 × 11312) / 7
LCM(11305,11312) = 127882160 / 7
LCM(11305,11312) = 18268880
(i) The LCM of 11312 and 11305 is associative
LCM of 11305 and 11312 = LCM of 11312 and 11305
1. What is the LCM of 11305 and 11312?
Answer: LCM of 11305 and 11312 is 18268880.
2. What are the Factors of 11305?
Answer: Factors of 11305 are 1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305. There are 16 integers that are factors of 11305. The greatest factor of 11305 is 11305.
3. What are the Factors of 11312?
Answer: Factors of 11312 are 1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 11312. There are 20 integers that are factors of 11312. The greatest factor of 11312 is 11312.
4. How to Find the LCM of 11305 and 11312?
Answer:
Least Common Multiple of 11305 and 11312 = 18268880
Step 1: Find the prime factorization of 11305
11305 = 5 x 7 x 17 x 19
Step 2: Find the prime factorization of 11312
11312 = 2 x 2 x 2 x 2 x 7 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18268880 = 2 x 2 x 2 x 2 x 5 x 7 x 17 x 19 x 101
Step 4: Therefore, the least common multiple of 11305 and 11312 is 18268880.