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What is the Least Common Multiple of 465 and 476?

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 476 is 221340.

LCM(465,476) = 221340

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Least Common Multiple of 465 and 476 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 476, than apply into the LCM equation.

GCF(465,476) = 1
LCM(465,476) = ( 465 × 476) / 1
LCM(465,476) = 221340 / 1
LCM(465,476) = 221340

Least Common Multiple (LCM) of 465 and 476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 465 and 476. First we will calculate the prime factors of 465 and 476.

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 476

Prime factors of 476 are 2, 7, 17. Prime factorization of 476 in exponential form is:

476 = 22 × 71 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 465 and 476.

LCM(465,476) = 31 × 51 × 311 × 22 × 71 × 171
LCM(465,476) = 221340