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What is the Least Common Multiple of 47928 and 47942?

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 47942 is 1148882088.

LCM(47928,47942) = 1148882088

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Least Common Multiple of 47928 and 47942 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 47942, than apply into the LCM equation.

GCF(47928,47942) = 2
LCM(47928,47942) = ( 47928 × 47942) / 2
LCM(47928,47942) = 2297764176 / 2
LCM(47928,47942) = 1148882088

Least Common Multiple (LCM) of 47928 and 47942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47928 and 47942. First we will calculate the prime factors of 47928 and 47942.

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 47942

Prime factors of 47942 are 2, 23971. Prime factorization of 47942 in exponential form is:

47942 = 21 × 239711

Now multiplying the highest exponent prime factors to calculate the LCM of 47928 and 47942.

LCM(47928,47942) = 23 × 31 × 19971 × 239711
LCM(47928,47942) = 1148882088