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What is the Least Common Multiple of 45069 and 45085?

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 45069 and 45085 is 2031935865.

LCM(45069,45085) = 2031935865

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Least Common Multiple of 45069 and 45085 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45069 and 45085, than apply into the LCM equation.

GCF(45069,45085) = 1
LCM(45069,45085) = ( 45069 × 45085) / 1
LCM(45069,45085) = 2031935865 / 1
LCM(45069,45085) = 2031935865

Least Common Multiple (LCM) of 45069 and 45085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45069 and 45085. First we will calculate the prime factors of 45069 and 45085.

Prime Factorization of 45069

Prime factors of 45069 are 3, 83, 181. Prime factorization of 45069 in exponential form is:

45069 = 31 × 831 × 1811

Prime Factorization of 45085

Prime factors of 45085 are 5, 71, 127. Prime factorization of 45085 in exponential form is:

45085 = 51 × 711 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 45069 and 45085.

LCM(45069,45085) = 31 × 831 × 1811 × 51 × 711 × 1271
LCM(45069,45085) = 2031935865