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What is the Least Common Multiple of 461 and 470?

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 470 is 216670.

LCM(461,470) = 216670

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Least Common Multiple of 461 and 470 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 470, than apply into the LCM equation.

GCF(461,470) = 1
LCM(461,470) = ( 461 × 470) / 1
LCM(461,470) = 216670 / 1
LCM(461,470) = 216670

Least Common Multiple (LCM) of 461 and 470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 461 and 470. First we will calculate the prime factors of 461 and 470.

Prime Factorization of 461

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

461 = 4611

Prime Factorization of 470

Prime factors of 470 are 2, 5, 47. Prime factorization of 470 in exponential form is:

470 = 21 × 51 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 461 and 470.

LCM(461,470) = 4611 × 21 × 51 × 471
LCM(461,470) = 216670