Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1864 and 1868 the smallest integer that is 870488 that is divisible by both numbers.
Least Common Multiple (LCM) of 1864 and 1868 is 870488.
LCM(1864,1868) = 870488
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 1864 and 1868. First we will calculate the prime factors of 1864 and 1868.
Prime Factorization of 1864
2 | 1864 |
2 | 932 |
2 | 466 |
233 | 233 |
1 |
Prime factors of 1864 are 2,233. Prime factorization of 1864 in exponential form is:
1864 = 23×2331
Prime Factorization of 1868
2 | 1868 |
2 | 934 |
467 | 467 |
1 |
Prime factors of 1868 are 2,467. Prime factorization of 1868 in exponential form is:
1868 = 22×4671
Now multiplying the highest exponent prime factors to calculate the LCM of 1864 and 1868.
LCM(1864,1868) = 23×2331×4671
LCM(1864,1868) = 870488
Factors of 1864
List of positive integer factors of 1864 that divides 1864 without a remainder.
1, 2, 4, 8, 233, 466, 932, 1864
Factors of 1868
List of positive integer factors of 1868 that divides 1868 without a remainder.
1, 2, 4, 467, 934, 1868
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1864 and 1868, than apply into the LCM equation.
GCF(1864,1868) = 4
LCM(1864,1868) = ( 1864 × 1868) / 4
LCM(1864,1868) = 3481952 / 4
LCM(1864,1868) = 870488
(i) The LCM of 1868 and 1864 is associative
LCM of 1864 and 1868 = LCM of 1868 and 1864
1. What is the LCM of 1864 and 1868?
Answer: LCM of 1864 and 1868 is 870488.
2. What are the Factors of 1864?
Answer: Factors of 1864 are 1, 2, 4, 8, 233, 466, 932, 1864. There are 8 integers that are factors of 1864. The greatest factor of 1864 is 1864.
3. What are the Factors of 1868?
Answer: Factors of 1868 are 1, 2, 4, 467, 934, 1868. There are 6 integers that are factors of 1868. The greatest factor of 1868 is 1868.
4. How to Find the LCM of 1864 and 1868?
Answer:
Least Common Multiple of 1864 and 1868 = 870488
Step 1: Find the prime factorization of 1864
1864 = 2 x 2 x 2 x 233
Step 2: Find the prime factorization of 1868
1868 = 2 x 2 x 467
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 870488 = 2 x 2 x 2 x 233 x 467
Step 4: Therefore, the least common multiple of 1864 and 1868 is 870488.