Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7282 and 7290 the smallest integer that is 26542890 that is divisible by both numbers.
Least Common Multiple (LCM) of 7282 and 7290 is 26542890.
LCM(7282,7290) = 26542890
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 7282 and 7290. First we will calculate the prime factors of 7282 and 7290.
Prime Factorization of 7282
2 | 7282 |
11 | 3641 |
331 | 331 |
1 |
Prime factors of 7282 are 2, 11,331. Prime factorization of 7282 in exponential form is:
7282 = 21×111×3311
Prime Factorization of 7290
2 | 7290 |
3 | 3645 |
3 | 1215 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 7290 are 2, 3,5. Prime factorization of 7290 in exponential form is:
7290 = 21×36×51
Now multiplying the highest exponent prime factors to calculate the LCM of 7282 and 7290.
LCM(7282,7290) = 21×36×51×111×3311
LCM(7282,7290) = 26542890
Factors of 7282
List of positive integer factors of 7282 that divides 7282 without a remainder.
1, 2, 11, 22, 331, 662, 3641, 7282
Factors of 7290
List of positive integer factors of 7290 that divides 7290 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 3645, 7290
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7282 and 7290, than apply into the LCM equation.
GCF(7282,7290) = 2
LCM(7282,7290) = ( 7282 × 7290) / 2
LCM(7282,7290) = 53085780 / 2
LCM(7282,7290) = 26542890
(i) The LCM of 7290 and 7282 is associative
LCM of 7282 and 7290 = LCM of 7290 and 7282
1. What is the LCM of 7282 and 7290?
Answer: LCM of 7282 and 7290 is 26542890.
2. What are the Factors of 7282?
Answer: Factors of 7282 are 1, 2, 11, 22, 331, 662, 3641, 7282. There are 8 integers that are factors of 7282. The greatest factor of 7282 is 7282.
3. What are the Factors of 7290?
Answer: Factors of 7290 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 3645, 7290. There are 28 integers that are factors of 7290. The greatest factor of 7290 is 7290.
4. How to Find the LCM of 7282 and 7290?
Answer:
Least Common Multiple of 7282 and 7290 = 26542890
Step 1: Find the prime factorization of 7282
7282 = 2 x 11 x 331
Step 2: Find the prime factorization of 7290
7290 = 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 26542890 = 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 11 x 331
Step 4: Therefore, the least common multiple of 7282 and 7290 is 26542890.