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What is the Least Common Multiple of 465 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 465 and 471 is 73005.

LCM(465,471) = 73005

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Least Common Multiple of 465 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 465 and 471, than apply into the LCM equation.

GCF(465,471) = 3
LCM(465,471) = ( 465 × 471) / 3
LCM(465,471) = 219015 / 3
LCM(465,471) = 73005

Least Common Multiple (LCM) of 465 and 471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 465 and 471. First we will calculate the prime factors of 465 and 471.

Prime Factorization of 465

Prime factors of 465 are 3, 5, 31. Prime factorization of 465 in exponential form is:

465 = 31 × 51 × 311

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 465 and 471.

LCM(465,471) = 31 × 51 × 311 × 1571
LCM(465,471) = 73005