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What is the Least Common Multiple of 70872 and 70885?

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 70872 and 70885 is 5023761720.

LCM(70872,70885) = 5023761720

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Least Common Multiple of 70872 and 70885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70872 and 70885, than apply into the LCM equation.

GCF(70872,70885) = 1
LCM(70872,70885) = ( 70872 × 70885) / 1
LCM(70872,70885) = 5023761720 / 1
LCM(70872,70885) = 5023761720

Least Common Multiple (LCM) of 70872 and 70885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70872 and 70885. First we will calculate the prime factors of 70872 and 70885.

Prime Factorization of 70872

Prime factors of 70872 are 2, 3, 2953. Prime factorization of 70872 in exponential form is:

70872 = 23 × 31 × 29531

Prime Factorization of 70885

Prime factors of 70885 are 5, 14177. Prime factorization of 70885 in exponential form is:

70885 = 51 × 141771

Now multiplying the highest exponent prime factors to calculate the LCM of 70872 and 70885.

LCM(70872,70885) = 23 × 31 × 29531 × 51 × 141771
LCM(70872,70885) = 5023761720