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What is the Least Common Multiple of 74805 and 74816?

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 74805 and 74816 is 5596610880.

LCM(74805,74816) = 5596610880

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Least Common Multiple of 74805 and 74816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74805 and 74816, than apply into the LCM equation.

GCF(74805,74816) = 1
LCM(74805,74816) = ( 74805 × 74816) / 1
LCM(74805,74816) = 5596610880 / 1
LCM(74805,74816) = 5596610880

Least Common Multiple (LCM) of 74805 and 74816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74805 and 74816. First we will calculate the prime factors of 74805 and 74816.

Prime Factorization of 74805

Prime factors of 74805 are 3, 5, 4987. Prime factorization of 74805 in exponential form is:

74805 = 31 × 51 × 49871

Prime Factorization of 74816

Prime factors of 74816 are 2, 7, 167. Prime factorization of 74816 in exponential form is:

74816 = 26 × 71 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 74805 and 74816.

LCM(74805,74816) = 31 × 51 × 49871 × 26 × 71 × 1671
LCM(74805,74816) = 5596610880