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What is the Least Common Multiple of 20040 and 20059?

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 20040 and 20059 is 401982360.

LCM(20040,20059) = 401982360

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Least Common Multiple of 20040 and 20059 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20040 and 20059, than apply into the LCM equation.

GCF(20040,20059) = 1
LCM(20040,20059) = ( 20040 × 20059) / 1
LCM(20040,20059) = 401982360 / 1
LCM(20040,20059) = 401982360

Least Common Multiple (LCM) of 20040 and 20059 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20040 and 20059. First we will calculate the prime factors of 20040 and 20059.

Prime Factorization of 20040

Prime factors of 20040 are 2, 3, 5, 167. Prime factorization of 20040 in exponential form is:

20040 = 23 × 31 × 51 × 1671

Prime Factorization of 20059

Prime factors of 20059 are 13, 1543. Prime factorization of 20059 in exponential form is:

20059 = 131 × 15431

Now multiplying the highest exponent prime factors to calculate the LCM of 20040 and 20059.

LCM(20040,20059) = 23 × 31 × 51 × 1671 × 131 × 15431
LCM(20040,20059) = 401982360