Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1258 and 1263 the smallest integer that is 1588854 that is divisible by both numbers.
Least Common Multiple (LCM) of 1258 and 1263 is 1588854.
LCM(1258,1263) = 1588854
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 1258 and 1263. First we will calculate the prime factors of 1258 and 1263.
Prime Factorization of 1258
2 | 1258 |
17 | 629 |
37 | 37 |
1 |
Prime factors of 1258 are 2, 17,37. Prime factorization of 1258 in exponential form is:
1258 = 21×171×371
Prime Factorization of 1263
3 | 1263 |
421 | 421 |
1 |
Prime factors of 1263 are 3,421. Prime factorization of 1263 in exponential form is:
1263 = 31×4211
Now multiplying the highest exponent prime factors to calculate the LCM of 1258 and 1263.
LCM(1258,1263) = 21×31×171×371×4211
LCM(1258,1263) = 1588854
Factors of 1258
List of positive integer factors of 1258 that divides 1258 without a remainder.
1, 2, 17, 34, 37, 74, 629, 1258
Factors of 1263
List of positive integer factors of 1263 that divides 1263 without a remainder.
1, 3, 421, 1263
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1258 and 1263, than apply into the LCM equation.
GCF(1258,1263) = 1
LCM(1258,1263) = ( 1258 × 1263) / 1
LCM(1258,1263) = 1588854 / 1
LCM(1258,1263) = 1588854
(i) The LCM of 1263 and 1258 is associative
LCM of 1258 and 1263 = LCM of 1263 and 1258
1. What is the LCM of 1258 and 1263?
Answer: LCM of 1258 and 1263 is 1588854.
2. What are the Factors of 1258?
Answer: Factors of 1258 are 1, 2, 17, 34, 37, 74, 629, 1258. There are 8 integers that are factors of 1258. The greatest factor of 1258 is 1258.
3. What are the Factors of 1263?
Answer: Factors of 1263 are 1, 3, 421, 1263. There are 4 integers that are factors of 1263. The greatest factor of 1263 is 1263.
4. How to Find the LCM of 1258 and 1263?
Answer:
Least Common Multiple of 1258 and 1263 = 1588854
Step 1: Find the prime factorization of 1258
1258 = 2 x 17 x 37
Step 2: Find the prime factorization of 1263
1263 = 3 x 421
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1588854 = 2 x 3 x 17 x 37 x 421
Step 4: Therefore, the least common multiple of 1258 and 1263 is 1588854.