Least Common Multiple of 1576 and 1581

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1576 and 1581 the smallest integer that is 2491656 that is divisible by both numbers.

Least Common Multiple (LCM) of 1576 and 1581 is 2491656.

LCM(1576,1581) = 2491656

LCM of 1576 and 1581

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 1576 and 1581

LCM of 1576 and 1581 is 2491656

Least common multiple can be found by multiplying the highest exponent prime factors of 1576 and 1581. First we will calculate the prime factors of 1576 and 1581.

Prime Factorization of 1576


2 1576
2 788
2 394
197 197
1

Prime factors of 1576 are 2,197. Prime factorization of 1576 in exponential form is:

1576 = 23×1971

Prime Factorization of 1581


3 1581
17 527
31 31
1

Prime factors of 1581 are 3, 17,31. Prime factorization of 1581 in exponential form is:

1581 = 31×171×311

Now multiplying the highest exponent prime factors to calculate the LCM of 1576 and 1581.

LCM(1576,1581) = 23×31×171×311×1971
LCM(1576,1581) = 2491656

Factors of 1576

List of positive integer factors of 1576 that divides 1576 without a remainder.

1, 2, 4, 8, 197, 394, 788, 1576

Factors of 1581

List of positive integer factors of 1581 that divides 1581 without a remainder.

1, 3, 17, 31, 51, 93, 527, 1581

Least Common Multiple of 1576 and 1581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1576 and 1581, than apply into the LCM equation.

GCF(1576,1581) = 1
LCM(1576,1581) = ( 1576 × 1581) / 1
LCM(1576,1581) = 2491656 / 1
LCM(1576,1581) = 2491656

Properties of LCM 1576 and 1581

(i) The LCM of 1581 and 1576 is associative

LCM of 1576 and 1581 = LCM of 1581 and 1576

Frequently Asked Questions on LCM of 1576 and 1581

1. What is the LCM of 1576 and 1581?

Answer: LCM of 1576 and 1581 is 2491656.

2. What are the Factors of 1576?

Answer: Factors of 1576 are 1, 2, 4, 8, 197, 394, 788, 1576. There are 8 integers that are factors of 1576. The greatest factor of 1576 is 1576.

3. What are the Factors of 1581?

Answer: Factors of 1581 are 1, 3, 17, 31, 51, 93, 527, 1581. There are 8 integers that are factors of 1581. The greatest factor of 1581 is 1581.

4. How to Find the LCM of 1576 and 1581?

Answer:

Least Common Multiple of 1576 and 1581 = 2491656

Step 1: Find the prime factorization of 1576

1576 = 2 x 2 x 2 x 197

Step 2: Find the prime factorization of 1581

1581 = 3 x 17 x 31

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2491656 = 2 x 2 x 2 x 3 x 17 x 31 x 197

Step 4: Therefore, the least common multiple of 1576 and 1581 is 2491656.