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What is the Least Common Multiple of 461 and 474?

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 461 and 474 is 218514.

LCM(461,474) = 218514

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Least Common Multiple of 461 and 474 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 461 and 474, than apply into the LCM equation.

GCF(461,474) = 1
LCM(461,474) = ( 461 × 474) / 1
LCM(461,474) = 218514 / 1
LCM(461,474) = 218514

Least Common Multiple (LCM) of 461 and 474 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 461 and 474. First we will calculate the prime factors of 461 and 474.

Prime Factorization of 461

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

461 = 4611

Prime Factorization of 474

Prime factors of 474 are 2, 3, 79. Prime factorization of 474 in exponential form is:

474 = 21 × 31 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 461 and 474.

LCM(461,474) = 4611 × 21 × 31 × 791
LCM(461,474) = 218514