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What is the Least Common Multiple of 42585 and 42593?

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 42585 and 42593 is 1813822905.

LCM(42585,42593) = 1813822905

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Least Common Multiple of 42585 and 42593 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42585 and 42593, than apply into the LCM equation.

GCF(42585,42593) = 1
LCM(42585,42593) = ( 42585 × 42593) / 1
LCM(42585,42593) = 1813822905 / 1
LCM(42585,42593) = 1813822905

Least Common Multiple (LCM) of 42585 and 42593 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42585 and 42593. First we will calculate the prime factors of 42585 and 42593.

Prime Factorization of 42585

Prime factors of 42585 are 3, 5, 17, 167. Prime factorization of 42585 in exponential form is:

42585 = 31 × 51 × 171 × 1671

Prime Factorization of 42593

Prime factors of 42593 are 191, 223. Prime factorization of 42593 in exponential form is:

42593 = 1911 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 42585 and 42593.

LCM(42585,42593) = 31 × 51 × 171 × 1671 × 1911 × 2231
LCM(42585,42593) = 1813822905