Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 31426 and 31431 the smallest integer that is 987750606 that is divisible by both numbers.
Least Common Multiple (LCM) of 31426 and 31431 is 987750606.
LCM(31426,31431) = 987750606
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 31426 and 31431. First we will calculate the prime factors of 31426 and 31431.
Prime Factorization of 31426
2 | 31426 |
19 | 15713 |
827 | 827 |
1 |
Prime factors of 31426 are 2, 19,827. Prime factorization of 31426 in exponential form is:
31426 = 21×191×8271
Prime Factorization of 31431
3 | 31431 |
10477 | 10477 |
1 |
Prime factors of 31431 are 3,10477. Prime factorization of 31431 in exponential form is:
31431 = 31×104771
Now multiplying the highest exponent prime factors to calculate the LCM of 31426 and 31431.
LCM(31426,31431) = 21×31×191×8271×104771
LCM(31426,31431) = 987750606
Factors of 31426
List of positive integer factors of 31426 that divides 31426 without a remainder.
1, 2, 19, 38, 827, 1654, 15713, 31426
Factors of 31431
List of positive integer factors of 31431 that divides 31431 without a remainder.
1, 3, 10477, 31431
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31426 and 31431, than apply into the LCM equation.
GCF(31426,31431) = 1
LCM(31426,31431) = ( 31426 × 31431) / 1
LCM(31426,31431) = 987750606 / 1
LCM(31426,31431) = 987750606
(i) The LCM of 31431 and 31426 is associative
LCM of 31426 and 31431 = LCM of 31431 and 31426
1. What is the LCM of 31426 and 31431?
Answer: LCM of 31426 and 31431 is 987750606.
2. What are the Factors of 31426?
Answer: Factors of 31426 are 1, 2, 19, 38, 827, 1654, 15713, 31426. There are 8 integers that are factors of 31426. The greatest factor of 31426 is 31426.
3. What are the Factors of 31431?
Answer: Factors of 31431 are 1, 3, 10477, 31431. There are 4 integers that are factors of 31431. The greatest factor of 31431 is 31431.
4. How to Find the LCM of 31426 and 31431?
Answer:
Least Common Multiple of 31426 and 31431 = 987750606
Step 1: Find the prime factorization of 31426
31426 = 2 x 19 x 827
Step 2: Find the prime factorization of 31431
31431 = 3 x 10477
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 987750606 = 2 x 3 x 19 x 827 x 10477
Step 4: Therefore, the least common multiple of 31426 and 31431 is 987750606.