Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1219 and 1225 the smallest integer that is 1493275 that is divisible by both numbers.
Least Common Multiple (LCM) of 1219 and 1225 is 1493275.
LCM(1219,1225) = 1493275
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 1219 and 1225. First we will calculate the prime factors of 1219 and 1225.
Prime Factorization of 1219
23 | 1219 |
53 | 53 |
1 |
Prime factors of 1219 are 23,53. Prime factorization of 1219 in exponential form is:
1219 = 231×531
Prime Factorization of 1225
5 | 1225 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1225 are 5,7. Prime factorization of 1225 in exponential form is:
1225 = 52×72
Now multiplying the highest exponent prime factors to calculate the LCM of 1219 and 1225.
LCM(1219,1225) = 52×72×231×531
LCM(1219,1225) = 1493275
Factors of 1219
List of positive integer factors of 1219 that divides 1219 without a remainder.
1, 23, 53, 1219
Factors of 1225
List of positive integer factors of 1225 that divides 1225 without a remainder.
1, 5, 7, 25, 35, 49, 175, 245, 1225
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1219 and 1225, than apply into the LCM equation.
GCF(1219,1225) = 1
LCM(1219,1225) = ( 1219 × 1225) / 1
LCM(1219,1225) = 1493275 / 1
LCM(1219,1225) = 1493275
(i) The LCM of 1225 and 1219 is associative
LCM of 1219 and 1225 = LCM of 1225 and 1219
1. What is the LCM of 1219 and 1225?
Answer: LCM of 1219 and 1225 is 1493275.
2. What are the Factors of 1219?
Answer: Factors of 1219 are 1, 23, 53, 1219. There are 4 integers that are factors of 1219. The greatest factor of 1219 is 1219.
3. What are the Factors of 1225?
Answer: Factors of 1225 are 1, 5, 7, 25, 35, 49, 175, 245, 1225. There are 9 integers that are factors of 1225. The greatest factor of 1225 is 1225.
4. How to Find the LCM of 1219 and 1225?
Answer:
Least Common Multiple of 1219 and 1225 = 1493275
Step 1: Find the prime factorization of 1219
1219 = 23 x 53
Step 2: Find the prime factorization of 1225
1225 = 5 x 5 x 7 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1493275 = 5 x 5 x 7 x 7 x 23 x 53
Step 4: Therefore, the least common multiple of 1219 and 1225 is 1493275.