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What is the Least Common Multiple of 43493 and 43509?

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 43493 and 43509 is 1892336937.

LCM(43493,43509) = 1892336937

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Least Common Multiple of 43493 and 43509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43493 and 43509, than apply into the LCM equation.

GCF(43493,43509) = 1
LCM(43493,43509) = ( 43493 × 43509) / 1
LCM(43493,43509) = 1892336937 / 1
LCM(43493,43509) = 1892336937

Least Common Multiple (LCM) of 43493 and 43509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43493 and 43509. First we will calculate the prime factors of 43493 and 43509.

Prime Factorization of 43493

Prime factors of 43493 are 23, 31, 61. Prime factorization of 43493 in exponential form is:

43493 = 231 × 311 × 611

Prime Factorization of 43509

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

43509 = 31 × 145031

Now multiplying the highest exponent prime factors to calculate the LCM of 43493 and 43509.

LCM(43493,43509) = 231 × 311 × 611 × 31 × 145031
LCM(43493,43509) = 1892336937