Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2278 and 2285 the smallest integer that is 5205230 that is divisible by both numbers.
Least Common Multiple (LCM) of 2278 and 2285 is 5205230.
LCM(2278,2285) = 5205230
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 2278 and 2285. First we will calculate the prime factors of 2278 and 2285.
Prime Factorization of 2278
2 | 2278 |
17 | 1139 |
67 | 67 |
1 |
Prime factors of 2278 are 2, 17,67. Prime factorization of 2278 in exponential form is:
2278 = 21×171×671
Prime Factorization of 2285
5 | 2285 |
457 | 457 |
1 |
Prime factors of 2285 are 5,457. Prime factorization of 2285 in exponential form is:
2285 = 51×4571
Now multiplying the highest exponent prime factors to calculate the LCM of 2278 and 2285.
LCM(2278,2285) = 21×51×171×671×4571
LCM(2278,2285) = 5205230
Factors of 2278
List of positive integer factors of 2278 that divides 2278 without a remainder.
1, 2, 17, 34, 67, 134, 1139, 2278
Factors of 2285
List of positive integer factors of 2285 that divides 2285 without a remainder.
1, 5, 457, 2285
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2278 and 2285, than apply into the LCM equation.
GCF(2278,2285) = 1
LCM(2278,2285) = ( 2278 × 2285) / 1
LCM(2278,2285) = 5205230 / 1
LCM(2278,2285) = 5205230
(i) The LCM of 2285 and 2278 is associative
LCM of 2278 and 2285 = LCM of 2285 and 2278
1. What is the LCM of 2278 and 2285?
Answer: LCM of 2278 and 2285 is 5205230.
2. What are the Factors of 2278?
Answer: Factors of 2278 are 1, 2, 17, 34, 67, 134, 1139, 2278. There are 8 integers that are factors of 2278. The greatest factor of 2278 is 2278.
3. What are the Factors of 2285?
Answer: Factors of 2285 are 1, 5, 457, 2285. There are 4 integers that are factors of 2285. The greatest factor of 2285 is 2285.
4. How to Find the LCM of 2278 and 2285?
Answer:
Least Common Multiple of 2278 and 2285 = 5205230
Step 1: Find the prime factorization of 2278
2278 = 2 x 17 x 67
Step 2: Find the prime factorization of 2285
2285 = 5 x 457
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5205230 = 2 x 5 x 17 x 67 x 457
Step 4: Therefore, the least common multiple of 2278 and 2285 is 5205230.