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What is the Least Common Multiple of 47834 and 47840?

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 47834 and 47840 is 1144189280.

LCM(47834,47840) = 1144189280

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Least Common Multiple of 47834 and 47840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47834 and 47840, than apply into the LCM equation.

GCF(47834,47840) = 2
LCM(47834,47840) = ( 47834 × 47840) / 2
LCM(47834,47840) = 2288378560 / 2
LCM(47834,47840) = 1144189280

Least Common Multiple (LCM) of 47834 and 47840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47834 and 47840. First we will calculate the prime factors of 47834 and 47840.

Prime Factorization of 47834

Prime factors of 47834 are 2, 23917. Prime factorization of 47834 in exponential form is:

47834 = 21 × 239171

Prime Factorization of 47840

Prime factors of 47840 are 2, 5, 13, 23. Prime factorization of 47840 in exponential form is:

47840 = 25 × 51 × 131 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 47834 and 47840.

LCM(47834,47840) = 25 × 239171 × 51 × 131 × 231
LCM(47834,47840) = 1144189280