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What is the Least Common Multiple of 70845 and 70851?

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 70845 and 70851 is 1673146365.

LCM(70845,70851) = 1673146365

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Least Common Multiple of 70845 and 70851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70845 and 70851, than apply into the LCM equation.

GCF(70845,70851) = 3
LCM(70845,70851) = ( 70845 × 70851) / 3
LCM(70845,70851) = 5019439095 / 3
LCM(70845,70851) = 1673146365

Least Common Multiple (LCM) of 70845 and 70851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70845 and 70851. First we will calculate the prime factors of 70845 and 70851.

Prime Factorization of 70845

Prime factors of 70845 are 3, 5, 4723. Prime factorization of 70845 in exponential form is:

70845 = 31 × 51 × 47231

Prime Factorization of 70851

Prime factors of 70851 are 3, 11, 19, 113. Prime factorization of 70851 in exponential form is:

70851 = 31 × 111 × 191 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 70845 and 70851.

LCM(70845,70851) = 31 × 51 × 47231 × 111 × 191 × 1131
LCM(70845,70851) = 1673146365