Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1291 and 1299 the smallest integer that is 1677009 that is divisible by both numbers.
Least Common Multiple (LCM) of 1291 and 1299 is 1677009.
LCM(1291,1299) = 1677009
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 1291 and 1299. First we will calculate the prime factors of 1291 and 1299.
Prime Factorization of 1291
1291 | 1291 |
1 |
Prime factors of 1291 are 1291. Prime factorization of 1291 in exponential form is:
1291 = 12911
Prime Factorization of 1299
3 | 1299 |
433 | 433 |
1 |
Prime factors of 1299 are 3,433. Prime factorization of 1299 in exponential form is:
1299 = 31×4331
Now multiplying the highest exponent prime factors to calculate the LCM of 1291 and 1299.
LCM(1291,1299) = 31×4331×12911
LCM(1291,1299) = 1677009
Factors of 1291
List of positive integer factors of 1291 that divides 1291 without a remainder.
1, 1291
Factors of 1299
List of positive integer factors of 1299 that divides 1299 without a remainder.
1, 3, 433, 1299
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1291 and 1299, than apply into the LCM equation.
GCF(1291,1299) = 1
LCM(1291,1299) = ( 1291 × 1299) / 1
LCM(1291,1299) = 1677009 / 1
LCM(1291,1299) = 1677009
(i) The LCM of 1299 and 1291 is associative
LCM of 1291 and 1299 = LCM of 1299 and 1291
1. What is the LCM of 1291 and 1299?
Answer: LCM of 1291 and 1299 is 1677009.
2. What are the Factors of 1291?
Answer: Factors of 1291 are 1, 1291. There are 2 integers that are factors of 1291. The greatest factor of 1291 is 1291.
3. What are the Factors of 1299?
Answer: Factors of 1299 are 1, 3, 433, 1299. There are 4 integers that are factors of 1299. The greatest factor of 1299 is 1299.
4. How to Find the LCM of 1291 and 1299?
Answer:
Least Common Multiple of 1291 and 1299 = 1677009
Step 1: Find the prime factorization of 1291
1291 = 1291
Step 2: Find the prime factorization of 1299
1299 = 3 x 433
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1677009 = 3 x 433 x 1291
Step 4: Therefore, the least common multiple of 1291 and 1299 is 1677009.