Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1426 and 1431 the smallest integer that is 2040606 that is divisible by both numbers.
Least Common Multiple (LCM) of 1426 and 1431 is 2040606.
LCM(1426,1431) = 2040606
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 1426 and 1431. First we will calculate the prime factors of 1426 and 1431.
Prime Factorization of 1426
2 | 1426 |
23 | 713 |
31 | 31 |
1 |
Prime factors of 1426 are 2, 23,31. Prime factorization of 1426 in exponential form is:
1426 = 21×231×311
Prime Factorization of 1431
3 | 1431 |
3 | 477 |
3 | 159 |
53 | 53 |
1 |
Prime factors of 1431 are 3,53. Prime factorization of 1431 in exponential form is:
1431 = 33×531
Now multiplying the highest exponent prime factors to calculate the LCM of 1426 and 1431.
LCM(1426,1431) = 21×33×231×311×531
LCM(1426,1431) = 2040606
Factors of 1426
List of positive integer factors of 1426 that divides 1426 without a remainder.
1, 2, 23, 31, 46, 62, 713, 1426
Factors of 1431
List of positive integer factors of 1431 that divides 1431 without a remainder.
1, 3, 9, 27, 53, 159, 477, 1431
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1426 and 1431, than apply into the LCM equation.
GCF(1426,1431) = 1
LCM(1426,1431) = ( 1426 × 1431) / 1
LCM(1426,1431) = 2040606 / 1
LCM(1426,1431) = 2040606
(i) The LCM of 1431 and 1426 is associative
LCM of 1426 and 1431 = LCM of 1431 and 1426
1. What is the LCM of 1426 and 1431?
Answer: LCM of 1426 and 1431 is 2040606.
2. What are the Factors of 1426?
Answer: Factors of 1426 are 1, 2, 23, 31, 46, 62, 713, 1426. There are 8 integers that are factors of 1426. The greatest factor of 1426 is 1426.
3. What are the Factors of 1431?
Answer: Factors of 1431 are 1, 3, 9, 27, 53, 159, 477, 1431. There are 8 integers that are factors of 1431. The greatest factor of 1431 is 1431.
4. How to Find the LCM of 1426 and 1431?
Answer:
Least Common Multiple of 1426 and 1431 = 2040606
Step 1: Find the prime factorization of 1426
1426 = 2 x 23 x 31
Step 2: Find the prime factorization of 1431
1431 = 3 x 3 x 3 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2040606 = 2 x 3 x 3 x 3 x 23 x 31 x 53
Step 4: Therefore, the least common multiple of 1426 and 1431 is 2040606.