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What is the Least Common Multiple of 90045 and 90061?

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 90045 and 90061 is 8109542745.

LCM(90045,90061) = 8109542745

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Least Common Multiple of 90045 and 90061 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90045 and 90061, than apply into the LCM equation.

GCF(90045,90061) = 1
LCM(90045,90061) = ( 90045 × 90061) / 1
LCM(90045,90061) = 8109542745 / 1
LCM(90045,90061) = 8109542745

Least Common Multiple (LCM) of 90045 and 90061 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90045 and 90061. First we will calculate the prime factors of 90045 and 90061.

Prime Factorization of 90045

Prime factors of 90045 are 3, 5, 23, 29. Prime factorization of 90045 in exponential form is:

90045 = 33 × 51 × 231 × 291

Prime Factorization of 90061

Prime factors of 90061 are 113, 797. Prime factorization of 90061 in exponential form is:

90061 = 1131 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 90045 and 90061.

LCM(90045,90061) = 33 × 51 × 231 × 291 × 1131 × 7971
LCM(90045,90061) = 8109542745