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What is the Least Common Multiple of 1909 and 1927?

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 1909 and 1927 is 3678643.

LCM(1909,1927) = 3678643

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Least Common Multiple of 1909 and 1927 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1909 and 1927, than apply into the LCM equation.

GCF(1909,1927) = 1
LCM(1909,1927) = ( 1909 × 1927) / 1
LCM(1909,1927) = 3678643 / 1
LCM(1909,1927) = 3678643

Least Common Multiple (LCM) of 1909 and 1927 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1909 and 1927. First we will calculate the prime factors of 1909 and 1927.

Prime Factorization of 1909

Prime factors of 1909 are 23, 83. Prime factorization of 1909 in exponential form is:

1909 = 231 × 831

Prime Factorization of 1927

Prime factors of 1927 are 41, 47. Prime factorization of 1927 in exponential form is:

1927 = 411 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 1909 and 1927.

LCM(1909,1927) = 231 × 831 × 411 × 471
LCM(1909,1927) = 3678643