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What is the Least Common Multiple of 23856 and 23864?

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 23856 and 23864 is 71162448.

LCM(23856,23864) = 71162448

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Least Common Multiple of 23856 and 23864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23856 and 23864, than apply into the LCM equation.

GCF(23856,23864) = 8
LCM(23856,23864) = ( 23856 × 23864) / 8
LCM(23856,23864) = 569299584 / 8
LCM(23856,23864) = 71162448

Least Common Multiple (LCM) of 23856 and 23864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23856 and 23864. First we will calculate the prime factors of 23856 and 23864.

Prime Factorization of 23856

Prime factors of 23856 are 2, 3, 7, 71. Prime factorization of 23856 in exponential form is:

23856 = 24 × 31 × 71 × 711

Prime Factorization of 23864

Prime factors of 23864 are 2, 19, 157. Prime factorization of 23864 in exponential form is:

23864 = 23 × 191 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 23856 and 23864.

LCM(23856,23864) = 24 × 31 × 71 × 711 × 191 × 1571
LCM(23856,23864) = 71162448