Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1880 and 1881 the smallest integer that is 3536280 that is divisible by both numbers.
Least Common Multiple (LCM) of 1880 and 1881 is 3536280.
LCM(1880,1881) = 3536280
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 1880 and 1881. First we will calculate the prime factors of 1880 and 1881.
Prime Factorization of 1880
2 | 1880 |
2 | 940 |
2 | 470 |
5 | 235 |
47 | 47 |
1 |
Prime factors of 1880 are 2, 5,47. Prime factorization of 1880 in exponential form is:
1880 = 23×51×471
Prime Factorization of 1881
3 | 1881 |
3 | 627 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 1881 are 3, 11,19. Prime factorization of 1881 in exponential form is:
1881 = 32×111×191
Now multiplying the highest exponent prime factors to calculate the LCM of 1880 and 1881.
LCM(1880,1881) = 23×32×51×111×191×471
LCM(1880,1881) = 3536280
Factors of 1880
List of positive integer factors of 1880 that divides 1880 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880
Factors of 1881
List of positive integer factors of 1881 that divides 1881 without a remainder.
1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1880 and 1881, than apply into the LCM equation.
GCF(1880,1881) = 1
LCM(1880,1881) = ( 1880 × 1881) / 1
LCM(1880,1881) = 3536280 / 1
LCM(1880,1881) = 3536280
(i) The LCM of 1881 and 1880 is associative
LCM of 1880 and 1881 = LCM of 1881 and 1880
1. What is the LCM of 1880 and 1881?
Answer: LCM of 1880 and 1881 is 3536280.
2. What are the Factors of 1880?
Answer: Factors of 1880 are 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880. There are 16 integers that are factors of 1880. The greatest factor of 1880 is 1880.
3. What are the Factors of 1881?
Answer: Factors of 1881 are 1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881. There are 12 integers that are factors of 1881. The greatest factor of 1881 is 1881.
4. How to Find the LCM of 1880 and 1881?
Answer:
Least Common Multiple of 1880 and 1881 = 3536280
Step 1: Find the prime factorization of 1880
1880 = 2 x 2 x 2 x 5 x 47
Step 2: Find the prime factorization of 1881
1881 = 3 x 3 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 = 3536280 = 2 x 2 x 2 x 3 x 3 x 5 x 11 x 19 x 47
Step 4: Therefore, the least common multiple of 1880 and 1881 is 3536280.