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What is the Least Common Multiple of 451 and 461?

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 461 is 207911.

LCM(451,461) = 207911

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Least Common Multiple of 451 and 461 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 461, than apply into the LCM equation.

GCF(451,461) = 1
LCM(451,461) = ( 451 × 461) / 1
LCM(451,461) = 207911 / 1
LCM(451,461) = 207911

Least Common Multiple (LCM) of 451 and 461 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 451 and 461. First we will calculate the prime factors of 451 and 461.

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 461

Prime factors of 461 are 461. Prime factorization of 461 in exponential form is:

461 = 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 451 and 461.

LCM(451,461) = 111 × 411 × 4611
LCM(451,461) = 207911