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What is the Least Common Multiple of 465 and 472?

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 472 is 219480.

LCM(465,472) = 219480

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Least Common Multiple of 465 and 472 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 472, than apply into the LCM equation.

GCF(465,472) = 1
LCM(465,472) = ( 465 × 472) / 1
LCM(465,472) = 219480 / 1
LCM(465,472) = 219480

Least Common Multiple (LCM) of 465 and 472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 465 and 472. First we will calculate the prime factors of 465 and 472.

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 472

Prime factors of 472 are 2, 59. Prime factorization of 472 in exponential form is:

472 = 23 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 465 and 472.

LCM(465,472) = 31 × 51 × 311 × 23 × 591
LCM(465,472) = 219480