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What is the Least Common Multiple of 460 and 471?

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 460 and 471 is 216660.

LCM(460,471) = 216660

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Least Common Multiple of 460 and 471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 460 and 471, than apply into the LCM equation.

GCF(460,471) = 1
LCM(460,471) = ( 460 × 471) / 1
LCM(460,471) = 216660 / 1
LCM(460,471) = 216660

Least Common Multiple (LCM) of 460 and 471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 460 and 471. First we will calculate the prime factors of 460 and 471.

Prime Factorization of 460

Prime factors of 460 are 2, 5, 23. Prime factorization of 460 in exponential form is:

460 = 22 × 51 × 231

Prime Factorization of 471

Prime factors of 471 are 3, 157. Prime factorization of 471 in exponential form is:

471 = 31 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 460 and 471.

LCM(460,471) = 22 × 51 × 231 × 31 × 1571
LCM(460,471) = 216660