Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3281 and 3285 the smallest integer that is 10778085 that is divisible by both numbers.
Least Common Multiple (LCM) of 3281 and 3285 is 10778085.
LCM(3281,3285) = 10778085
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 3281 and 3285. First we will calculate the prime factors of 3281 and 3285.
Prime Factorization of 3281
17 | 3281 |
193 | 193 |
1 |
Prime factors of 3281 are 17,193. Prime factorization of 3281 in exponential form is:
3281 = 171×1931
Prime Factorization of 3285
3 | 3285 |
3 | 1095 |
5 | 365 |
73 | 73 |
1 |
Prime factors of 3285 are 3, 5,73. Prime factorization of 3285 in exponential form is:
3285 = 32×51×731
Now multiplying the highest exponent prime factors to calculate the LCM of 3281 and 3285.
LCM(3281,3285) = 32×51×171×731×1931
LCM(3281,3285) = 10778085
Factors of 3281
List of positive integer factors of 3281 that divides 3281 without a remainder.
1, 17, 193, 3281
Factors of 3285
List of positive integer factors of 3285 that divides 3285 without a remainder.
1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3281 and 3285, than apply into the LCM equation.
GCF(3281,3285) = 1
LCM(3281,3285) = ( 3281 × 3285) / 1
LCM(3281,3285) = 10778085 / 1
LCM(3281,3285) = 10778085
(i) The LCM of 3285 and 3281 is associative
LCM of 3281 and 3285 = LCM of 3285 and 3281
1. What is the LCM of 3281 and 3285?
Answer: LCM of 3281 and 3285 is 10778085.
2. What are the Factors of 3281?
Answer: Factors of 3281 are 1, 17, 193, 3281. There are 4 integers that are factors of 3281. The greatest factor of 3281 is 3281.
3. What are the Factors of 3285?
Answer: Factors of 3285 are 1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285. There are 12 integers that are factors of 3285. The greatest factor of 3285 is 3285.
4. How to Find the LCM of 3281 and 3285?
Answer:
Least Common Multiple of 3281 and 3285 = 10778085
Step 1: Find the prime factorization of 3281
3281 = 17 x 193
Step 2: Find the prime factorization of 3285
3285 = 3 x 3 x 5 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10778085 = 3 x 3 x 5 x 17 x 73 x 193
Step 4: Therefore, the least common multiple of 3281 and 3285 is 10778085.