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What is the Least Common Multiple of 53891 and 53909?

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 53891 and 53909 is 2905209919.

LCM(53891,53909) = 2905209919

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Least Common Multiple of 53891 and 53909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53891 and 53909, than apply into the LCM equation.

GCF(53891,53909) = 1
LCM(53891,53909) = ( 53891 × 53909) / 1
LCM(53891,53909) = 2905209919 / 1
LCM(53891,53909) = 2905209919

Least Common Multiple (LCM) of 53891 and 53909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53891 and 53909. First we will calculate the prime factors of 53891 and 53909.

Prime Factorization of 53891

Prime factors of 53891 are 53891. Prime factorization of 53891 in exponential form is:

53891 = 538911

Prime Factorization of 53909

Prime factors of 53909 are 31, 37, 47. Prime factorization of 53909 in exponential form is:

53909 = 311 × 371 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 53891 and 53909.

LCM(53891,53909) = 538911 × 311 × 371 × 471
LCM(53891,53909) = 2905209919