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What is the Least Common Multiple of 23142 and 23149?

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 23142 and 23149 is 76530594.

LCM(23142,23149) = 76530594

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Least Common Multiple of 23142 and 23149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23142 and 23149, than apply into the LCM equation.

GCF(23142,23149) = 7
LCM(23142,23149) = ( 23142 × 23149) / 7
LCM(23142,23149) = 535714158 / 7
LCM(23142,23149) = 76530594

Least Common Multiple (LCM) of 23142 and 23149 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23142 and 23149. First we will calculate the prime factors of 23142 and 23149.

Prime Factorization of 23142

Prime factors of 23142 are 2, 3, 7, 19, 29. Prime factorization of 23142 in exponential form is:

23142 = 21 × 31 × 71 × 191 × 291

Prime Factorization of 23149

Prime factors of 23149 are 7, 3307. Prime factorization of 23149 in exponential form is:

23149 = 71 × 33071

Now multiplying the highest exponent prime factors to calculate the LCM of 23142 and 23149.

LCM(23142,23149) = 21 × 31 × 71 × 191 × 291 × 33071
LCM(23142,23149) = 76530594