Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 23403 and 23408 the smallest integer that is 547817424 that is divisible by both numbers.
Least Common Multiple (LCM) of 23403 and 23408 is 547817424.
LCM(23403,23408) = 547817424
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 23403 and 23408. First we will calculate the prime factors of 23403 and 23408.
Prime Factorization of 23403
3 | 23403 |
29 | 7801 |
269 | 269 |
1 |
Prime factors of 23403 are 3, 29,269. Prime factorization of 23403 in exponential form is:
23403 = 31×291×2691
Prime Factorization of 23408
2 | 23408 |
2 | 11704 |
2 | 5852 |
2 | 2926 |
7 | 1463 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 23408 are 2, 7, 11,19. Prime factorization of 23408 in exponential form is:
23408 = 24×71×111×191
Now multiplying the highest exponent prime factors to calculate the LCM of 23403 and 23408.
LCM(23403,23408) = 24×31×71×111×191×291×2691
LCM(23403,23408) = 547817424
Factors of 23403
List of positive integer factors of 23403 that divides 23403 without a remainder.
1, 3, 29, 87, 269, 807, 7801, 23403
Factors of 23408
List of positive integer factors of 23408 that divides 23408 without a remainder.
1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 5852, 11704, 23408
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23403 and 23408, than apply into the LCM equation.
GCF(23403,23408) = 1
LCM(23403,23408) = ( 23403 × 23408) / 1
LCM(23403,23408) = 547817424 / 1
LCM(23403,23408) = 547817424
(i) The LCM of 23408 and 23403 is associative
LCM of 23403 and 23408 = LCM of 23408 and 23403
1. What is the LCM of 23403 and 23408?
Answer: LCM of 23403 and 23408 is 547817424.
2. What are the Factors of 23403?
Answer: Factors of 23403 are 1, 3, 29, 87, 269, 807, 7801, 23403. There are 8 integers that are factors of 23403. The greatest factor of 23403 is 23403.
3. What are the Factors of 23408?
Answer: Factors of 23408 are 1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 5852, 11704, 23408. There are 40 integers that are factors of 23408. The greatest factor of 23408 is 23408.
4. How to Find the LCM of 23403 and 23408?
Answer:
Least Common Multiple of 23403 and 23408 = 547817424
Step 1: Find the prime factorization of 23403
23403 = 3 x 29 x 269
Step 2: Find the prime factorization of 23408
23408 = 2 x 2 x 2 x 2 x 7 x 11 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 547817424 = 2 x 2 x 2 x 2 x 3 x 7 x 11 x 19 x 29 x 269
Step 4: Therefore, the least common multiple of 23403 and 23408 is 547817424.