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What is the Least Common Multiple of 70385 and 70389?

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 70385 and 70389 is 4954329765.

LCM(70385,70389) = 4954329765

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Least Common Multiple of 70385 and 70389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70385 and 70389, than apply into the LCM equation.

GCF(70385,70389) = 1
LCM(70385,70389) = ( 70385 × 70389) / 1
LCM(70385,70389) = 4954329765 / 1
LCM(70385,70389) = 4954329765

Least Common Multiple (LCM) of 70385 and 70389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70385 and 70389. First we will calculate the prime factors of 70385 and 70389.

Prime Factorization of 70385

Prime factors of 70385 are 5, 7, 2011. Prime factorization of 70385 in exponential form is:

70385 = 51 × 71 × 20111

Prime Factorization of 70389

Prime factors of 70389 are 3, 11, 79. Prime factorization of 70389 in exponential form is:

70389 = 34 × 111 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 70385 and 70389.

LCM(70385,70389) = 51 × 71 × 20111 × 34 × 111 × 791
LCM(70385,70389) = 4954329765