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What is the Least Common Multiple of 15411 and 15423?

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 15411 and 15423 is 79227951.

LCM(15411,15423) = 79227951

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Least Common Multiple of 15411 and 15423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15411 and 15423, than apply into the LCM equation.

GCF(15411,15423) = 3
LCM(15411,15423) = ( 15411 × 15423) / 3
LCM(15411,15423) = 237683853 / 3
LCM(15411,15423) = 79227951

Least Common Multiple (LCM) of 15411 and 15423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15411 and 15423. First we will calculate the prime factors of 15411 and 15423.

Prime Factorization of 15411

Prime factors of 15411 are 3, 11, 467. Prime factorization of 15411 in exponential form is:

15411 = 31 × 111 × 4671

Prime Factorization of 15423

Prime factors of 15423 are 3, 53, 97. Prime factorization of 15423 in exponential form is:

15423 = 31 × 531 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 15411 and 15423.

LCM(15411,15423) = 31 × 111 × 4671 × 531 × 971
LCM(15411,15423) = 79227951