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What is the Least Common Multiple of 68456 and 68466?

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 68456 and 68466 is 2343454248.

LCM(68456,68466) = 2343454248

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Least Common Multiple of 68456 and 68466 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68456 and 68466, than apply into the LCM equation.

GCF(68456,68466) = 2
LCM(68456,68466) = ( 68456 × 68466) / 2
LCM(68456,68466) = 4686908496 / 2
LCM(68456,68466) = 2343454248

Least Common Multiple (LCM) of 68456 and 68466 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68456 and 68466. First we will calculate the prime factors of 68456 and 68466.

Prime Factorization of 68456

Prime factors of 68456 are 2, 43, 199. Prime factorization of 68456 in exponential form is:

68456 = 23 × 431 × 1991

Prime Factorization of 68466

Prime factors of 68466 are 2, 3, 11411. Prime factorization of 68466 in exponential form is:

68466 = 21 × 31 × 114111

Now multiplying the highest exponent prime factors to calculate the LCM of 68456 and 68466.

LCM(68456,68466) = 23 × 431 × 1991 × 31 × 114111
LCM(68456,68466) = 2343454248