Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1242 and 1250 the smallest integer that is 776250 that is divisible by both numbers.
Least Common Multiple (LCM) of 1242 and 1250 is 776250.
LCM(1242,1250) = 776250
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 1242 and 1250. First we will calculate the prime factors of 1242 and 1250.
Prime Factorization of 1242
2 | 1242 |
3 | 621 |
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 1242 are 2, 3,23. Prime factorization of 1242 in exponential form is:
1242 = 21×33×231
Prime Factorization of 1250
2 | 1250 |
5 | 625 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1250 are 2,5. Prime factorization of 1250 in exponential form is:
1250 = 21×54
Now multiplying the highest exponent prime factors to calculate the LCM of 1242 and 1250.
LCM(1242,1250) = 21×33×54×231
LCM(1242,1250) = 776250
Factors of 1242
List of positive integer factors of 1242 that divides 1242 without a remainder.
1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242
Factors of 1250
List of positive integer factors of 1250 that divides 1250 without a remainder.
1, 2, 5, 10, 25, 50, 125, 250, 625, 1250
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1242 and 1250, than apply into the LCM equation.
GCF(1242,1250) = 2
LCM(1242,1250) = ( 1242 × 1250) / 2
LCM(1242,1250) = 1552500 / 2
LCM(1242,1250) = 776250
(i) The LCM of 1250 and 1242 is associative
LCM of 1242 and 1250 = LCM of 1250 and 1242
1. What is the LCM of 1242 and 1250?
Answer: LCM of 1242 and 1250 is 776250.
2. What are the Factors of 1242?
Answer: Factors of 1242 are 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242. There are 16 integers that are factors of 1242. The greatest factor of 1242 is 1242.
3. What are the Factors of 1250?
Answer: Factors of 1250 are 1, 2, 5, 10, 25, 50, 125, 250, 625, 1250. There are 10 integers that are factors of 1250. The greatest factor of 1250 is 1250.
4. How to Find the LCM of 1242 and 1250?
Answer:
Least Common Multiple of 1242 and 1250 = 776250
Step 1: Find the prime factorization of 1242
1242 = 2 x 3 x 3 x 3 x 23
Step 2: Find the prime factorization of 1250
1250 = 2 x 5 x 5 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 776250 = 2 x 3 x 3 x 3 x 5 x 5 x 5 x 5 x 23
Step 4: Therefore, the least common multiple of 1242 and 1250 is 776250.