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What is the Least Common Multiple of 23618 and 23638?

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 23618 and 23638 is 279141142.

LCM(23618,23638) = 279141142

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Least Common Multiple of 23618 and 23638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23618 and 23638, than apply into the LCM equation.

GCF(23618,23638) = 2
LCM(23618,23638) = ( 23618 × 23638) / 2
LCM(23618,23638) = 558282284 / 2
LCM(23618,23638) = 279141142

Least Common Multiple (LCM) of 23618 and 23638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23618 and 23638. First we will calculate the prime factors of 23618 and 23638.

Prime Factorization of 23618

Prime factors of 23618 are 2, 7, 241. Prime factorization of 23618 in exponential form is:

23618 = 21 × 72 × 2411

Prime Factorization of 23638

Prime factors of 23638 are 2, 53, 223. Prime factorization of 23638 in exponential form is:

23638 = 21 × 531 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 23618 and 23638.

LCM(23618,23638) = 21 × 72 × 2411 × 531 × 2231
LCM(23618,23638) = 279141142