Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1222 and 1226 the smallest integer that is 749086 that is divisible by both numbers.
Least Common Multiple (LCM) of 1222 and 1226 is 749086.
LCM(1222,1226) = 749086
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 1222 and 1226. First we will calculate the prime factors of 1222 and 1226.
Prime Factorization of 1222
2 | 1222 |
13 | 611 |
47 | 47 |
1 |
Prime factors of 1222 are 2, 13,47. Prime factorization of 1222 in exponential form is:
1222 = 21×131×471
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1222 and 1226.
LCM(1222,1226) = 21×131×471×6131
LCM(1222,1226) = 749086
Factors of 1222
List of positive integer factors of 1222 that divides 1222 without a remainder.
1, 2, 13, 26, 47, 94, 611, 1222
Factors of 1226
List of positive integer factors of 1226 that divides 1226 without a remainder.
1, 2, 613, 1226
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1222 and 1226, than apply into the LCM equation.
GCF(1222,1226) = 2
LCM(1222,1226) = ( 1222 × 1226) / 2
LCM(1222,1226) = 1498172 / 2
LCM(1222,1226) = 749086
(i) The LCM of 1226 and 1222 is associative
LCM of 1222 and 1226 = LCM of 1226 and 1222
1. What is the LCM of 1222 and 1226?
Answer: LCM of 1222 and 1226 is 749086.
2. What are the Factors of 1222?
Answer: Factors of 1222 are 1, 2, 13, 26, 47, 94, 611, 1222. There are 8 integers that are factors of 1222. The greatest factor of 1222 is 1222.
3. 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.
4. How to Find the LCM of 1222 and 1226?
Answer:
Least Common Multiple of 1222 and 1226 = 749086
Step 1: Find the prime factorization of 1222
1222 = 2 x 13 x 47
Step 2: Find the prime factorization of 1226
1226 = 2 x 613
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 749086 = 2 x 13 x 47 x 613
Step 4: Therefore, the least common multiple of 1222 and 1226 is 749086.