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What is the Least Common Multiple of 66456 and 66471?

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 66456 and 66471 is 1472465592.

LCM(66456,66471) = 1472465592

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Least Common Multiple of 66456 and 66471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66456 and 66471, than apply into the LCM equation.

GCF(66456,66471) = 3
LCM(66456,66471) = ( 66456 × 66471) / 3
LCM(66456,66471) = 4417396776 / 3
LCM(66456,66471) = 1472465592

Least Common Multiple (LCM) of 66456 and 66471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66456 and 66471. First we will calculate the prime factors of 66456 and 66471.

Prime Factorization of 66456

Prime factors of 66456 are 2, 3, 13, 71. Prime factorization of 66456 in exponential form is:

66456 = 23 × 32 × 131 × 711

Prime Factorization of 66471

Prime factors of 66471 are 3, 22157. Prime factorization of 66471 in exponential form is:

66471 = 31 × 221571

Now multiplying the highest exponent prime factors to calculate the LCM of 66456 and 66471.

LCM(66456,66471) = 23 × 32 × 131 × 711 × 221571
LCM(66456,66471) = 1472465592