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What is the Least Common Multiple of 46815 and 46821?

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 46815 and 46821 is 730641705.

LCM(46815,46821) = 730641705

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Least Common Multiple of 46815 and 46821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46815 and 46821, than apply into the LCM equation.

GCF(46815,46821) = 3
LCM(46815,46821) = ( 46815 × 46821) / 3
LCM(46815,46821) = 2191925115 / 3
LCM(46815,46821) = 730641705

Least Common Multiple (LCM) of 46815 and 46821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46815 and 46821. First we will calculate the prime factors of 46815 and 46821.

Prime Factorization of 46815

Prime factors of 46815 are 3, 5, 3121. Prime factorization of 46815 in exponential form is:

46815 = 31 × 51 × 31211

Prime Factorization of 46821

Prime factors of 46821 are 3, 15607. Prime factorization of 46821 in exponential form is:

46821 = 31 × 156071

Now multiplying the highest exponent prime factors to calculate the LCM of 46815 and 46821.

LCM(46815,46821) = 31 × 51 × 31211 × 156071
LCM(46815,46821) = 730641705