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What is the Least Common Multiple of 46851 and 46870?

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 46851 and 46870 is 2195906370.

LCM(46851,46870) = 2195906370

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Least Common Multiple of 46851 and 46870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46851 and 46870, than apply into the LCM equation.

GCF(46851,46870) = 1
LCM(46851,46870) = ( 46851 × 46870) / 1
LCM(46851,46870) = 2195906370 / 1
LCM(46851,46870) = 2195906370

Least Common Multiple (LCM) of 46851 and 46870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46851 and 46870. First we will calculate the prime factors of 46851 and 46870.

Prime Factorization of 46851

Prime factors of 46851 are 3, 7, 23, 97. Prime factorization of 46851 in exponential form is:

46851 = 31 × 71 × 231 × 971

Prime Factorization of 46870

Prime factors of 46870 are 2, 5, 43, 109. Prime factorization of 46870 in exponential form is:

46870 = 21 × 51 × 431 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 46851 and 46870.

LCM(46851,46870) = 31 × 71 × 231 × 971 × 21 × 51 × 431 × 1091
LCM(46851,46870) = 2195906370