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What is the Least Common Multiple of 47928 and 47946?

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 47928 and 47946 is 382992648.

LCM(47928,47946) = 382992648

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Least Common Multiple of 47928 and 47946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47928 and 47946, than apply into the LCM equation.

GCF(47928,47946) = 6
LCM(47928,47946) = ( 47928 × 47946) / 6
LCM(47928,47946) = 2297955888 / 6
LCM(47928,47946) = 382992648

Least Common Multiple (LCM) of 47928 and 47946 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47928 and 47946. First we will calculate the prime factors of 47928 and 47946.

Prime Factorization of 47928

Prime factors of 47928 are 2, 3, 1997. Prime factorization of 47928 in exponential form is:

47928 = 23 × 31 × 19971

Prime Factorization of 47946

Prime factors of 47946 are 2, 3, 61, 131. Prime factorization of 47946 in exponential form is:

47946 = 21 × 31 × 611 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 47928 and 47946.

LCM(47928,47946) = 23 × 31 × 19971 × 611 × 1311
LCM(47928,47946) = 382992648