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What is the Least Common Multiple of 47618 and 47638?

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 47618 and 47638 is 1134213142.

LCM(47618,47638) = 1134213142

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Least Common Multiple of 47618 and 47638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47618 and 47638, than apply into the LCM equation.

GCF(47618,47638) = 2
LCM(47618,47638) = ( 47618 × 47638) / 2
LCM(47618,47638) = 2268426284 / 2
LCM(47618,47638) = 1134213142

Least Common Multiple (LCM) of 47618 and 47638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47618 and 47638. First we will calculate the prime factors of 47618 and 47638.

Prime Factorization of 47618

Prime factors of 47618 are 2, 29, 821. Prime factorization of 47618 in exponential form is:

47618 = 21 × 291 × 8211

Prime Factorization of 47638

Prime factors of 47638 are 2, 23819. Prime factorization of 47638 in exponential form is:

47638 = 21 × 238191

Now multiplying the highest exponent prime factors to calculate the LCM of 47618 and 47638.

LCM(47618,47638) = 21 × 291 × 8211 × 238191
LCM(47618,47638) = 1134213142