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What is the Least Common Multiple of 477 and 481?

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 477 and 481 is 229437.

LCM(477,481) = 229437

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Least Common Multiple of 477 and 481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 477 and 481, than apply into the LCM equation.

GCF(477,481) = 1
LCM(477,481) = ( 477 × 481) / 1
LCM(477,481) = 229437 / 1
LCM(477,481) = 229437

Least Common Multiple (LCM) of 477 and 481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 477 and 481. First we will calculate the prime factors of 477 and 481.

Prime Factorization of 477

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

477 = 32 × 531

Prime Factorization of 481

Prime factors of 481 are 13, 37. Prime factorization of 481 in exponential form is:

481 = 131 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 477 and 481.

LCM(477,481) = 32 × 531 × 131 × 371
LCM(477,481) = 229437