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What is the Least Common Multiple of 70851 and 70855?

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 70851 and 70855 is 5020147605.

LCM(70851,70855) = 5020147605

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Least Common Multiple of 70851 and 70855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70851 and 70855, than apply into the LCM equation.

GCF(70851,70855) = 1
LCM(70851,70855) = ( 70851 × 70855) / 1
LCM(70851,70855) = 5020147605 / 1
LCM(70851,70855) = 5020147605

Least Common Multiple (LCM) of 70851 and 70855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70851 and 70855. First we will calculate the prime factors of 70851 and 70855.

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

Prime Factorization of 70855

Prime factors of 70855 are 5, 37, 383. Prime factorization of 70855 in exponential form is:

70855 = 51 × 371 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 70851 and 70855.

LCM(70851,70855) = 31 × 111 × 191 × 1131 × 51 × 371 × 3831
LCM(70851,70855) = 5020147605