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What is the Least Common Multiple of 42711 and 42731?

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 42711 and 42731 is 1825083741.

LCM(42711,42731) = 1825083741

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Least Common Multiple of 42711 and 42731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42711 and 42731, than apply into the LCM equation.

GCF(42711,42731) = 1
LCM(42711,42731) = ( 42711 × 42731) / 1
LCM(42711,42731) = 1825083741 / 1
LCM(42711,42731) = 1825083741

Least Common Multiple (LCM) of 42711 and 42731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42711 and 42731. First we will calculate the prime factors of 42711 and 42731.

Prime Factorization of 42711

Prime factors of 42711 are 3, 23, 619. Prime factorization of 42711 in exponential form is:

42711 = 31 × 231 × 6191

Prime Factorization of 42731

Prime factors of 42731 are 13, 19, 173. Prime factorization of 42731 in exponential form is:

42731 = 131 × 191 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 42711 and 42731.

LCM(42711,42731) = 31 × 231 × 6191 × 131 × 191 × 1731
LCM(42711,42731) = 1825083741