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What is the Least Common Multiple of 39993 and 40002?

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 39993 and 40002 is 533266662.

LCM(39993,40002) = 533266662

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Least Common Multiple of 39993 and 40002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39993 and 40002, than apply into the LCM equation.

GCF(39993,40002) = 3
LCM(39993,40002) = ( 39993 × 40002) / 3
LCM(39993,40002) = 1599799986 / 3
LCM(39993,40002) = 533266662

Least Common Multiple (LCM) of 39993 and 40002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39993 and 40002. First we will calculate the prime factors of 39993 and 40002.

Prime Factorization of 39993

Prime factors of 39993 are 3, 13331. Prime factorization of 39993 in exponential form is:

39993 = 31 × 133311

Prime Factorization of 40002

Prime factors of 40002 are 2, 3, 59, 113. Prime factorization of 40002 in exponential form is:

40002 = 21 × 31 × 591 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 39993 and 40002.

LCM(39993,40002) = 31 × 133311 × 21 × 591 × 1131
LCM(39993,40002) = 533266662