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What is the Least Common Multiple of 42618 and 42629?

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 42618 and 42629 is 1816762722.

LCM(42618,42629) = 1816762722

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Least Common Multiple of 42618 and 42629 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42618 and 42629, than apply into the LCM equation.

GCF(42618,42629) = 1
LCM(42618,42629) = ( 42618 × 42629) / 1
LCM(42618,42629) = 1816762722 / 1
LCM(42618,42629) = 1816762722

Least Common Multiple (LCM) of 42618 and 42629 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42618 and 42629. First we will calculate the prime factors of 42618 and 42629.

Prime Factorization of 42618

Prime factors of 42618 are 2, 3, 7103. Prime factorization of 42618 in exponential form is:

42618 = 21 × 31 × 71031

Prime Factorization of 42629

Prime factors of 42629 are 47, 907. Prime factorization of 42629 in exponential form is:

42629 = 471 × 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 42618 and 42629.

LCM(42618,42629) = 21 × 31 × 71031 × 471 × 9071
LCM(42618,42629) = 1816762722