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What is the Least Common Multiple of 40770 and 40789?

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 40770 and 40789 is 1662967530.

LCM(40770,40789) = 1662967530

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Least Common Multiple of 40770 and 40789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40770 and 40789, than apply into the LCM equation.

GCF(40770,40789) = 1
LCM(40770,40789) = ( 40770 × 40789) / 1
LCM(40770,40789) = 1662967530 / 1
LCM(40770,40789) = 1662967530

Least Common Multiple (LCM) of 40770 and 40789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40770 and 40789. First we will calculate the prime factors of 40770 and 40789.

Prime Factorization of 40770

Prime factors of 40770 are 2, 3, 5, 151. Prime factorization of 40770 in exponential form is:

40770 = 21 × 33 × 51 × 1511

Prime Factorization of 40789

Prime factors of 40789 are 7, 5827. Prime factorization of 40789 in exponential form is:

40789 = 71 × 58271

Now multiplying the highest exponent prime factors to calculate the LCM of 40770 and 40789.

LCM(40770,40789) = 21 × 33 × 51 × 1511 × 71 × 58271
LCM(40770,40789) = 1662967530