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What is the Least Common Multiple of 69180 and 69190?

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 69180 and 69190 is 478656420.

LCM(69180,69190) = 478656420

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Least Common Multiple of 69180 and 69190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69180 and 69190, than apply into the LCM equation.

GCF(69180,69190) = 10
LCM(69180,69190) = ( 69180 × 69190) / 10
LCM(69180,69190) = 4786564200 / 10
LCM(69180,69190) = 478656420

Least Common Multiple (LCM) of 69180 and 69190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69180 and 69190. First we will calculate the prime factors of 69180 and 69190.

Prime Factorization of 69180

Prime factors of 69180 are 2, 3, 5, 1153. Prime factorization of 69180 in exponential form is:

69180 = 22 × 31 × 51 × 11531

Prime Factorization of 69190

Prime factors of 69190 are 2, 5, 11, 17, 37. Prime factorization of 69190 in exponential form is:

69190 = 21 × 51 × 111 × 171 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 69180 and 69190.

LCM(69180,69190) = 22 × 31 × 51 × 11531 × 111 × 171 × 371
LCM(69180,69190) = 478656420