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What is the Least Common Multiple of 42915 and 42923?

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 42915 and 42923 is 1842040545.

LCM(42915,42923) = 1842040545

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Least Common Multiple of 42915 and 42923 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42915 and 42923, than apply into the LCM equation.

GCF(42915,42923) = 1
LCM(42915,42923) = ( 42915 × 42923) / 1
LCM(42915,42923) = 1842040545 / 1
LCM(42915,42923) = 1842040545

Least Common Multiple (LCM) of 42915 and 42923 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42915 and 42923. First we will calculate the prime factors of 42915 and 42923.

Prime Factorization of 42915

Prime factors of 42915 are 3, 5, 2861. Prime factorization of 42915 in exponential form is:

42915 = 31 × 51 × 28611

Prime Factorization of 42923

Prime factors of 42923 are 42923. Prime factorization of 42923 in exponential form is:

42923 = 429231

Now multiplying the highest exponent prime factors to calculate the LCM of 42915 and 42923.

LCM(42915,42923) = 31 × 51 × 28611 × 429231
LCM(42915,42923) = 1842040545