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What is the Least Common Multiple of 30755 and 30770?

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 30755 and 30770 is 189266270.

LCM(30755,30770) = 189266270

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Least Common Multiple of 30755 and 30770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30755 and 30770, than apply into the LCM equation.

GCF(30755,30770) = 5
LCM(30755,30770) = ( 30755 × 30770) / 5
LCM(30755,30770) = 946331350 / 5
LCM(30755,30770) = 189266270

Least Common Multiple (LCM) of 30755 and 30770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30755 and 30770. First we will calculate the prime factors of 30755 and 30770.

Prime Factorization of 30755

Prime factors of 30755 are 5, 6151. Prime factorization of 30755 in exponential form is:

30755 = 51 × 61511

Prime Factorization of 30770

Prime factors of 30770 are 2, 5, 17, 181. Prime factorization of 30770 in exponential form is:

30770 = 21 × 51 × 171 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 30755 and 30770.

LCM(30755,30770) = 51 × 61511 × 21 × 171 × 1811
LCM(30755,30770) = 189266270