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What is the Least Common Multiple of 190 and 194?

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 190 and 194 is 18430.

LCM(190,194) = 18430

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Least Common Multiple of 190 and 194 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 190 and 194, than apply into the LCM equation.

GCF(190,194) = 2
LCM(190,194) = ( 190 × 194) / 2
LCM(190,194) = 36860 / 2
LCM(190,194) = 18430

Least Common Multiple (LCM) of 190 and 194 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 190 and 194. First we will calculate the prime factors of 190 and 194.

Prime Factorization of 190

Prime factors of 190 are 2, 5, 19. Prime factorization of 190 in exponential form is:

190 = 21 × 51 × 191

Prime Factorization of 194

Prime factors of 194 are 2, 97. Prime factorization of 194 in exponential form is:

194 = 21 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 190 and 194.

LCM(190,194) = 21 × 51 × 191 × 971
LCM(190,194) = 18430