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What is the Least Common Multiple of 57409 and 57424?

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 57409 and 57424 is 3296654416.

LCM(57409,57424) = 3296654416

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Least Common Multiple of 57409 and 57424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57409 and 57424, than apply into the LCM equation.

GCF(57409,57424) = 1
LCM(57409,57424) = ( 57409 × 57424) / 1
LCM(57409,57424) = 3296654416 / 1
LCM(57409,57424) = 3296654416

Least Common Multiple (LCM) of 57409 and 57424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57409 and 57424. First we will calculate the prime factors of 57409 and 57424.

Prime Factorization of 57409

Prime factors of 57409 are 11, 17, 307. Prime factorization of 57409 in exponential form is:

57409 = 111 × 171 × 3071

Prime Factorization of 57424

Prime factors of 57424 are 2, 37, 97. Prime factorization of 57424 in exponential form is:

57424 = 24 × 371 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 57409 and 57424.

LCM(57409,57424) = 111 × 171 × 3071 × 24 × 371 × 971
LCM(57409,57424) = 3296654416