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What is the Least Common Multiple of 57190 and 57209?

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 57190 and 57209 is 172199090.

LCM(57190,57209) = 172199090

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Least Common Multiple of 57190 and 57209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57190 and 57209, than apply into the LCM equation.

GCF(57190,57209) = 19
LCM(57190,57209) = ( 57190 × 57209) / 19
LCM(57190,57209) = 3271782710 / 19
LCM(57190,57209) = 172199090

Least Common Multiple (LCM) of 57190 and 57209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57190 and 57209. First we will calculate the prime factors of 57190 and 57209.

Prime Factorization of 57190

Prime factors of 57190 are 2, 5, 7, 19, 43. Prime factorization of 57190 in exponential form is:

57190 = 21 × 51 × 71 × 191 × 431

Prime Factorization of 57209

Prime factors of 57209 are 19, 3011. Prime factorization of 57209 in exponential form is:

57209 = 191 × 30111

Now multiplying the highest exponent prime factors to calculate the LCM of 57190 and 57209.

LCM(57190,57209) = 21 × 51 × 71 × 191 × 431 × 30111
LCM(57190,57209) = 172199090