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What is the Least Common Multiple of 47942 and 47958?

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 47942 and 47958 is 1149601218.

LCM(47942,47958) = 1149601218

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Least Common Multiple of 47942 and 47958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47942 and 47958, than apply into the LCM equation.

GCF(47942,47958) = 2
LCM(47942,47958) = ( 47942 × 47958) / 2
LCM(47942,47958) = 2299202436 / 2
LCM(47942,47958) = 1149601218

Least Common Multiple (LCM) of 47942 and 47958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47942 and 47958. First we will calculate the prime factors of 47942 and 47958.

Prime Factorization of 47942

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

47942 = 21 × 239711

Prime Factorization of 47958

Prime factors of 47958 are 2, 3, 7993. Prime factorization of 47958 in exponential form is:

47958 = 21 × 31 × 79931

Now multiplying the highest exponent prime factors to calculate the LCM of 47942 and 47958.

LCM(47942,47958) = 21 × 239711 × 31 × 79931
LCM(47942,47958) = 1149601218