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What is the Least Common Multiple of 57190 and 57205?

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 57205 is 654310790.

LCM(57190,57205) = 654310790

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Least Common Multiple of 57190 and 57205 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 57205, than apply into the LCM equation.

GCF(57190,57205) = 5
LCM(57190,57205) = ( 57190 × 57205) / 5
LCM(57190,57205) = 3271553950 / 5
LCM(57190,57205) = 654310790

Least Common Multiple (LCM) of 57190 and 57205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57190 and 57205. First we will calculate the prime factors of 57190 and 57205.

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 57205

Prime factors of 57205 are 5, 17, 673. Prime factorization of 57205 in exponential form is:

57205 = 51 × 171 × 6731

Now multiplying the highest exponent prime factors to calculate the LCM of 57190 and 57205.

LCM(57190,57205) = 21 × 51 × 71 × 191 × 431 × 171 × 6731
LCM(57190,57205) = 654310790