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What is the Least Common Multiple of 40021 and 40027?

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 40021 and 40027 is 1601920567.

LCM(40021,40027) = 1601920567

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Least Common Multiple of 40021 and 40027 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40021 and 40027, than apply into the LCM equation.

GCF(40021,40027) = 1
LCM(40021,40027) = ( 40021 × 40027) / 1
LCM(40021,40027) = 1601920567 / 1
LCM(40021,40027) = 1601920567

Least Common Multiple (LCM) of 40021 and 40027 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40021 and 40027. First we will calculate the prime factors of 40021 and 40027.

Prime Factorization of 40021

Prime factors of 40021 are 31, 1291. Prime factorization of 40021 in exponential form is:

40021 = 311 × 12911

Prime Factorization of 40027

Prime factors of 40027 are 13, 3079. Prime factorization of 40027 in exponential form is:

40027 = 131 × 30791

Now multiplying the highest exponent prime factors to calculate the LCM of 40021 and 40027.

LCM(40021,40027) = 311 × 12911 × 131 × 30791
LCM(40021,40027) = 1601920567