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What is the Least Common Multiple of 460 and 477?

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 477 is 219420.

LCM(460,477) = 219420

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Least Common Multiple of 460 and 477 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 477, than apply into the LCM equation.

GCF(460,477) = 1
LCM(460,477) = ( 460 × 477) / 1
LCM(460,477) = 219420 / 1
LCM(460,477) = 219420

Least Common Multiple (LCM) of 460 and 477 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 460 and 477. First we will calculate the prime factors of 460 and 477.

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 477

Prime factors of 477 are 3, 53. Prime factorization of 477 in exponential form is:

477 = 32 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 460 and 477.

LCM(460,477) = 22 × 51 × 231 × 32 × 531
LCM(460,477) = 219420