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What is the Least Common Multiple of 47072 and 47090?

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 47072 and 47090 is 1108310240.

LCM(47072,47090) = 1108310240

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Least Common Multiple of 47072 and 47090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47072 and 47090, than apply into the LCM equation.

GCF(47072,47090) = 2
LCM(47072,47090) = ( 47072 × 47090) / 2
LCM(47072,47090) = 2216620480 / 2
LCM(47072,47090) = 1108310240

Least Common Multiple (LCM) of 47072 and 47090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47072 and 47090. First we will calculate the prime factors of 47072 and 47090.

Prime Factorization of 47072

Prime factors of 47072 are 2, 1471. Prime factorization of 47072 in exponential form is:

47072 = 25 × 14711

Prime Factorization of 47090

Prime factors of 47090 are 2, 5, 17, 277. Prime factorization of 47090 in exponential form is:

47090 = 21 × 51 × 171 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 47072 and 47090.

LCM(47072,47090) = 25 × 14711 × 51 × 171 × 2771
LCM(47072,47090) = 1108310240