Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1226 and 1230 the smallest integer that is 753990 that is divisible by both numbers.
Least Common Multiple (LCM) of 1226 and 1230 is 753990.
LCM(1226,1230) = 753990
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 1226 and 1230. First we will calculate the prime factors of 1226 and 1230.
Prime Factorization of 1226
2 | 1226 |
613 | 613 |
1 |
Prime factors of 1226 are 2,613. Prime factorization of 1226 in exponential form is:
1226 = 21×6131
Prime Factorization of 1230
2 | 1230 |
3 | 615 |
5 | 205 |
41 | 41 |
1 |
Prime factors of 1230 are 2, 3, 5,41. Prime factorization of 1230 in exponential form is:
1230 = 21×31×51×411
Now multiplying the highest exponent prime factors to calculate the LCM of 1226 and 1230.
LCM(1226,1230) = 21×31×51×411×6131
LCM(1226,1230) = 753990
Factors of 1226
List of positive integer factors of 1226 that divides 1226 without a remainder.
1, 2, 613, 1226
Factors of 1230
List of positive integer factors of 1230 that divides 1230 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1226 and 1230, than apply into the LCM equation.
GCF(1226,1230) = 2
LCM(1226,1230) = ( 1226 × 1230) / 2
LCM(1226,1230) = 1507980 / 2
LCM(1226,1230) = 753990
(i) The LCM of 1230 and 1226 is associative
LCM of 1226 and 1230 = LCM of 1230 and 1226
1. What is the LCM of 1226 and 1230?
Answer: LCM of 1226 and 1230 is 753990.
2. What are the Factors of 1226?
Answer: Factors of 1226 are 1, 2, 613, 1226. There are 4 integers that are factors of 1226. The greatest factor of 1226 is 1226.
3. What are the Factors of 1230?
Answer: Factors of 1230 are 1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230. There are 16 integers that are factors of 1230. The greatest factor of 1230 is 1230.
4. How to Find the LCM of 1226 and 1230?
Answer:
Least Common Multiple of 1226 and 1230 = 753990
Step 1: Find the prime factorization of 1226
1226 = 2 x 613
Step 2: Find the prime factorization of 1230
1230 = 2 x 3 x 5 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 753990 = 2 x 3 x 5 x 41 x 613
Step 4: Therefore, the least common multiple of 1226 and 1230 is 753990.