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What is the Least Common Multiple of 471 and 485?

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 471 and 485 is 228435.

LCM(471,485) = 228435

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Least Common Multiple of 471 and 485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 471 and 485, than apply into the LCM equation.

GCF(471,485) = 1
LCM(471,485) = ( 471 × 485) / 1
LCM(471,485) = 228435 / 1
LCM(471,485) = 228435

Least Common Multiple (LCM) of 471 and 485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 471 and 485. First we will calculate the prime factors of 471 and 485.

Prime Factorization of 471

Prime factors of 471 are 3, 157. Prime factorization of 471 in exponential form is:

471 = 31 × 1571

Prime Factorization of 485

Prime factors of 485 are 5, 97. Prime factorization of 485 in exponential form is:

485 = 51 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 471 and 485.

LCM(471,485) = 31 × 1571 × 51 × 971
LCM(471,485) = 228435