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What is the Least Common Multiple of 43509 and 43516?

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 43509 and 43516 is 1893337644.

LCM(43509,43516) = 1893337644

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Least Common Multiple of 43509 and 43516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43509 and 43516, than apply into the LCM equation.

GCF(43509,43516) = 1
LCM(43509,43516) = ( 43509 × 43516) / 1
LCM(43509,43516) = 1893337644 / 1
LCM(43509,43516) = 1893337644

Least Common Multiple (LCM) of 43509 and 43516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43509 and 43516. First we will calculate the prime factors of 43509 and 43516.

Prime Factorization of 43509

Prime factors of 43509 are 3, 14503. Prime factorization of 43509 in exponential form is:

43509 = 31 × 145031

Prime Factorization of 43516

Prime factors of 43516 are 2, 11, 23, 43. Prime factorization of 43516 in exponential form is:

43516 = 22 × 111 × 231 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 43509 and 43516.

LCM(43509,43516) = 31 × 145031 × 22 × 111 × 231 × 431
LCM(43509,43516) = 1893337644