Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 21494 and 21500 the smallest integer that is 231060500 that is divisible by both numbers.
Least Common Multiple (LCM) of 21494 and 21500 is 231060500.
LCM(21494,21500) = 231060500
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 21494 and 21500. First we will calculate the prime factors of 21494 and 21500.
Prime Factorization of 21494
2 | 21494 |
11 | 10747 |
977 | 977 |
1 |
Prime factors of 21494 are 2, 11,977. Prime factorization of 21494 in exponential form is:
21494 = 21×111×9771
Prime Factorization of 21500
2 | 21500 |
2 | 10750 |
5 | 5375 |
5 | 1075 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 21500 are 2, 5,43. Prime factorization of 21500 in exponential form is:
21500 = 22×53×431
Now multiplying the highest exponent prime factors to calculate the LCM of 21494 and 21500.
LCM(21494,21500) = 22×53×111×431×9771
LCM(21494,21500) = 231060500
Factors of 21494
List of positive integer factors of 21494 that divides 21494 without a remainder.
1, 2, 11, 22, 977, 1954, 10747, 21494
Factors of 21500
List of positive integer factors of 21500 that divides 21500 without a remainder.
1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 10750, 21500
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21494 and 21500, than apply into the LCM equation.
GCF(21494,21500) = 2
LCM(21494,21500) = ( 21494 × 21500) / 2
LCM(21494,21500) = 462121000 / 2
LCM(21494,21500) = 231060500
(i) The LCM of 21500 and 21494 is associative
LCM of 21494 and 21500 = LCM of 21500 and 21494
1. What is the LCM of 21494 and 21500?
Answer: LCM of 21494 and 21500 is 231060500.
2. What are the Factors of 21494?
Answer: Factors of 21494 are 1, 2, 11, 22, 977, 1954, 10747, 21494. There are 8 integers that are factors of 21494. The greatest factor of 21494 is 21494.
3. What are the Factors of 21500?
Answer: Factors of 21500 are 1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 10750, 21500. There are 24 integers that are factors of 21500. The greatest factor of 21500 is 21500.
4. How to Find the LCM of 21494 and 21500?
Answer:
Least Common Multiple of 21494 and 21500 = 231060500
Step 1: Find the prime factorization of 21494
21494 = 2 x 11 x 977
Step 2: Find the prime factorization of 21500
21500 = 2 x 2 x 5 x 5 x 5 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 231060500 = 2 x 2 x 5 x 5 x 5 x 11 x 43 x 977
Step 4: Therefore, the least common multiple of 21494 and 21500 is 231060500.