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What is the Least Common Multiple of 23813 and 23821?

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 23813 and 23821 is 567249473.

LCM(23813,23821) = 567249473

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Least Common Multiple of 23813 and 23821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23813 and 23821, than apply into the LCM equation.

GCF(23813,23821) = 1
LCM(23813,23821) = ( 23813 × 23821) / 1
LCM(23813,23821) = 567249473 / 1
LCM(23813,23821) = 567249473

Least Common Multiple (LCM) of 23813 and 23821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23813 and 23821. First we will calculate the prime factors of 23813 and 23821.

Prime Factorization of 23813

Prime factors of 23813 are 23813. Prime factorization of 23813 in exponential form is:

23813 = 238131

Prime Factorization of 23821

Prime factors of 23821 are 7, 41, 83. Prime factorization of 23821 in exponential form is:

23821 = 71 × 411 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 23813 and 23821.

LCM(23813,23821) = 238131 × 71 × 411 × 831
LCM(23813,23821) = 567249473