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What is the Least Common Multiple of 43513 and 43520?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 43513 and 43520 is 1893685760.

LCM(43513,43520) = 1893685760

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Least Common Multiple of 43513 and 43520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43513 and 43520, than apply into the LCM equation.

GCF(43513,43520) = 1
LCM(43513,43520) = ( 43513 × 43520) / 1
LCM(43513,43520) = 1893685760 / 1
LCM(43513,43520) = 1893685760

Least Common Multiple (LCM) of 43513 and 43520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43513 and 43520. First we will calculate the prime factors of 43513 and 43520.

Prime Factorization of 43513

Prime factors of 43513 are 53, 821. Prime factorization of 43513 in exponential form is:

43513 = 531 × 8211

Prime Factorization of 43520

Prime factors of 43520 are 2, 5, 17. Prime factorization of 43520 in exponential form is:

43520 = 29 × 51 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 43513 and 43520.

LCM(43513,43520) = 531 × 8211 × 29 × 51 × 171
LCM(43513,43520) = 1893685760