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What is the Least Common Multiple of 451 and 459?

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 451 and 459 is 207009.

LCM(451,459) = 207009

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Least Common Multiple of 451 and 459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 451 and 459, than apply into the LCM equation.

GCF(451,459) = 1
LCM(451,459) = ( 451 × 459) / 1
LCM(451,459) = 207009 / 1
LCM(451,459) = 207009

Least Common Multiple (LCM) of 451 and 459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 451 and 459. First we will calculate the prime factors of 451 and 459.

Prime Factorization of 451

Prime factors of 451 are 11, 41. Prime factorization of 451 in exponential form is:

451 = 111 × 411

Prime Factorization of 459

Prime factors of 459 are 3, 17. Prime factorization of 459 in exponential form is:

459 = 33 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 451 and 459.

LCM(451,459) = 111 × 411 × 33 × 171
LCM(451,459) = 207009