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What is the Least Common Multiple of 40089 and 40097?

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 40089 and 40097 is 1607448633.

LCM(40089,40097) = 1607448633

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Least Common Multiple of 40089 and 40097 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40089 and 40097, than apply into the LCM equation.

GCF(40089,40097) = 1
LCM(40089,40097) = ( 40089 × 40097) / 1
LCM(40089,40097) = 1607448633 / 1
LCM(40089,40097) = 1607448633

Least Common Multiple (LCM) of 40089 and 40097 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40089 and 40097. First we will calculate the prime factors of 40089 and 40097.

Prime Factorization of 40089

Prime factors of 40089 are 3, 7, 23, 83. Prime factorization of 40089 in exponential form is:

40089 = 31 × 71 × 231 × 831

Prime Factorization of 40097

Prime factors of 40097 are 101, 397. Prime factorization of 40097 in exponential form is:

40097 = 1011 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 40089 and 40097.

LCM(40089,40097) = 31 × 71 × 231 × 831 × 1011 × 3971
LCM(40089,40097) = 1607448633