Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1904 and 1910 the smallest integer that is 1818320 that is divisible by both numbers.
Least Common Multiple (LCM) of 1904 and 1910 is 1818320.
LCM(1904,1910) = 1818320
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 1904 and 1910. First we will calculate the prime factors of 1904 and 1910.
Prime Factorization of 1904
2 | 1904 |
2 | 952 |
2 | 476 |
2 | 238 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 1904 are 2, 7,17. Prime factorization of 1904 in exponential form is:
1904 = 24×71×171
Prime Factorization of 1910
2 | 1910 |
5 | 955 |
191 | 191 |
1 |
Prime factors of 1910 are 2, 5,191. Prime factorization of 1910 in exponential form is:
1910 = 21×51×1911
Now multiplying the highest exponent prime factors to calculate the LCM of 1904 and 1910.
LCM(1904,1910) = 24×51×71×171×1911
LCM(1904,1910) = 1818320
Factors of 1904
List of positive integer factors of 1904 that divides 1904 without a remainder.
1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904
Factors of 1910
List of positive integer factors of 1910 that divides 1910 without a remainder.
1, 2, 5, 10, 191, 382, 955, 1910
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1904 and 1910, than apply into the LCM equation.
GCF(1904,1910) = 2
LCM(1904,1910) = ( 1904 × 1910) / 2
LCM(1904,1910) = 3636640 / 2
LCM(1904,1910) = 1818320
(i) The LCM of 1910 and 1904 is associative
LCM of 1904 and 1910 = LCM of 1910 and 1904
1. What is the LCM of 1904 and 1910?
Answer: LCM of 1904 and 1910 is 1818320.
2. What are the Factors of 1904?
Answer: Factors of 1904 are 1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904. There are 20 integers that are factors of 1904. The greatest factor of 1904 is 1904.
3. What are the Factors of 1910?
Answer: Factors of 1910 are 1, 2, 5, 10, 191, 382, 955, 1910. There are 8 integers that are factors of 1910. The greatest factor of 1910 is 1910.
4. How to Find the LCM of 1904 and 1910?
Answer:
Least Common Multiple of 1904 and 1910 = 1818320
Step 1: Find the prime factorization of 1904
1904 = 2 x 2 x 2 x 2 x 7 x 17
Step 2: Find the prime factorization of 1910
1910 = 2 x 5 x 191
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1818320 = 2 x 2 x 2 x 2 x 5 x 7 x 17 x 191
Step 4: Therefore, the least common multiple of 1904 and 1910 is 1818320.