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What is the Least Common Multiple of 56474 and 56485?

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 56474 and 56485 is 289993990.

LCM(56474,56485) = 289993990

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Least Common Multiple of 56474 and 56485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56474 and 56485, than apply into the LCM equation.

GCF(56474,56485) = 11
LCM(56474,56485) = ( 56474 × 56485) / 11
LCM(56474,56485) = 3189933890 / 11
LCM(56474,56485) = 289993990

Least Common Multiple (LCM) of 56474 and 56485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56474 and 56485. First we will calculate the prime factors of 56474 and 56485.

Prime Factorization of 56474

Prime factors of 56474 are 2, 11, 17, 151. Prime factorization of 56474 in exponential form is:

56474 = 21 × 111 × 171 × 1511

Prime Factorization of 56485

Prime factors of 56485 are 5, 11, 13, 79. Prime factorization of 56485 in exponential form is:

56485 = 51 × 111 × 131 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 56474 and 56485.

LCM(56474,56485) = 21 × 111 × 171 × 1511 × 51 × 131 × 791
LCM(56474,56485) = 289993990