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What is the Least Common Multiple of 82560 and 82573?

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 82560 and 82573 is 6817226880.

LCM(82560,82573) = 6817226880

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Least Common Multiple of 82560 and 82573 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82560 and 82573, than apply into the LCM equation.

GCF(82560,82573) = 1
LCM(82560,82573) = ( 82560 × 82573) / 1
LCM(82560,82573) = 6817226880 / 1
LCM(82560,82573) = 6817226880

Least Common Multiple (LCM) of 82560 and 82573 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82560 and 82573. First we will calculate the prime factors of 82560 and 82573.

Prime Factorization of 82560

Prime factors of 82560 are 2, 3, 5, 43. Prime factorization of 82560 in exponential form is:

82560 = 27 × 31 × 51 × 431

Prime Factorization of 82573

Prime factors of 82573 are 71, 1163. Prime factorization of 82573 in exponential form is:

82573 = 711 × 11631

Now multiplying the highest exponent prime factors to calculate the LCM of 82560 and 82573.

LCM(82560,82573) = 27 × 31 × 51 × 431 × 711 × 11631
LCM(82560,82573) = 6817226880