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What is the Least Common Multiple of 70870 and 70887?

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 70870 and 70887 is 5023761690.

LCM(70870,70887) = 5023761690

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Least Common Multiple of 70870 and 70887 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70870 and 70887, than apply into the LCM equation.

GCF(70870,70887) = 1
LCM(70870,70887) = ( 70870 × 70887) / 1
LCM(70870,70887) = 5023761690 / 1
LCM(70870,70887) = 5023761690

Least Common Multiple (LCM) of 70870 and 70887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70870 and 70887. First we will calculate the prime factors of 70870 and 70887.

Prime Factorization of 70870

Prime factors of 70870 are 2, 5, 19, 373. Prime factorization of 70870 in exponential form is:

70870 = 21 × 51 × 191 × 3731

Prime Factorization of 70887

Prime factors of 70887 are 3, 23629. Prime factorization of 70887 in exponential form is:

70887 = 31 × 236291

Now multiplying the highest exponent prime factors to calculate the LCM of 70870 and 70887.

LCM(70870,70887) = 21 × 51 × 191 × 3731 × 31 × 236291
LCM(70870,70887) = 5023761690