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What is the Least Common Multiple of 47072 and 47085?

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 47085 is 2216385120.

LCM(47072,47085) = 2216385120

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Least Common Multiple of 47072 and 47085 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 47085, than apply into the LCM equation.

GCF(47072,47085) = 1
LCM(47072,47085) = ( 47072 × 47085) / 1
LCM(47072,47085) = 2216385120 / 1
LCM(47072,47085) = 2216385120

Least Common Multiple (LCM) of 47072 and 47085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47072 and 47085. First we will calculate the prime factors of 47072 and 47085.

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 47085

Prime factors of 47085 are 3, 5, 43, 73. Prime factorization of 47085 in exponential form is:

47085 = 31 × 51 × 431 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 47072 and 47085.

LCM(47072,47085) = 25 × 14711 × 31 × 51 × 431 × 731
LCM(47072,47085) = 2216385120