Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 31409 and 31412 the smallest integer that is 986619508 that is divisible by both numbers.
Least Common Multiple (LCM) of 31409 and 31412 is 986619508.
LCM(31409,31412) = 986619508
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 31409 and 31412. First we will calculate the prime factors of 31409 and 31412.
Prime Factorization of 31409
7 | 31409 |
7 | 4487 |
641 | 641 |
1 |
Prime factors of 31409 are 7,641. Prime factorization of 31409 in exponential form is:
31409 = 72×6411
Prime Factorization of 31412
2 | 31412 |
2 | 15706 |
7853 | 7853 |
1 |
Prime factors of 31412 are 2,7853. Prime factorization of 31412 in exponential form is:
31412 = 22×78531
Now multiplying the highest exponent prime factors to calculate the LCM of 31409 and 31412.
LCM(31409,31412) = 22×72×6411×78531
LCM(31409,31412) = 986619508
Factors of 31409
List of positive integer factors of 31409 that divides 31409 without a remainder.
1, 7, 49, 641, 4487, 31409
Factors of 31412
List of positive integer factors of 31412 that divides 31412 without a remainder.
1, 2, 4, 7853, 15706, 31412
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31409 and 31412, than apply into the LCM equation.
GCF(31409,31412) = 1
LCM(31409,31412) = ( 31409 × 31412) / 1
LCM(31409,31412) = 986619508 / 1
LCM(31409,31412) = 986619508
(i) The LCM of 31412 and 31409 is associative
LCM of 31409 and 31412 = LCM of 31412 and 31409
1. What is the LCM of 31409 and 31412?
Answer: LCM of 31409 and 31412 is 986619508.
2. What are the Factors of 31409?
Answer: Factors of 31409 are 1, 7, 49, 641, 4487, 31409. There are 6 integers that are factors of 31409. The greatest factor of 31409 is 31409.
3. What are the Factors of 31412?
Answer: Factors of 31412 are 1, 2, 4, 7853, 15706, 31412. There are 6 integers that are factors of 31412. The greatest factor of 31412 is 31412.
4. How to Find the LCM of 31409 and 31412?
Answer:
Least Common Multiple of 31409 and 31412 = 986619508
Step 1: Find the prime factorization of 31409
31409 = 7 x 7 x 641
Step 2: Find the prime factorization of 31412
31412 = 2 x 2 x 7853
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 986619508 = 2 x 2 x 7 x 7 x 641 x 7853
Step 4: Therefore, the least common multiple of 31409 and 31412 is 986619508.