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What is the Least Common Multiple of 57405 and 57416?

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 57405 and 57416 is 3295965480.

LCM(57405,57416) = 3295965480

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Least Common Multiple of 57405 and 57416 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57405 and 57416, than apply into the LCM equation.

GCF(57405,57416) = 1
LCM(57405,57416) = ( 57405 × 57416) / 1
LCM(57405,57416) = 3295965480 / 1
LCM(57405,57416) = 3295965480

Least Common Multiple (LCM) of 57405 and 57416 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57405 and 57416. First we will calculate the prime factors of 57405 and 57416.

Prime Factorization of 57405

Prime factors of 57405 are 3, 5, 43, 89. Prime factorization of 57405 in exponential form is:

57405 = 31 × 51 × 431 × 891

Prime Factorization of 57416

Prime factors of 57416 are 2, 7177. Prime factorization of 57416 in exponential form is:

57416 = 23 × 71771

Now multiplying the highest exponent prime factors to calculate the LCM of 57405 and 57416.

LCM(57405,57416) = 31 × 51 × 431 × 891 × 23 × 71771
LCM(57405,57416) = 3295965480