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What is the Least Common Multiple of 57434 and 57448?

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 57434 and 57448 is 1649734216.

LCM(57434,57448) = 1649734216

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Least Common Multiple of 57434 and 57448 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57434 and 57448, than apply into the LCM equation.

GCF(57434,57448) = 2
LCM(57434,57448) = ( 57434 × 57448) / 2
LCM(57434,57448) = 3299468432 / 2
LCM(57434,57448) = 1649734216

Least Common Multiple (LCM) of 57434 and 57448 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57434 and 57448. First we will calculate the prime factors of 57434 and 57448.

Prime Factorization of 57434

Prime factors of 57434 are 2, 13, 47. Prime factorization of 57434 in exponential form is:

57434 = 21 × 131 × 472

Prime Factorization of 57448

Prime factors of 57448 are 2, 43, 167. Prime factorization of 57448 in exponential form is:

57448 = 23 × 431 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 57434 and 57448.

LCM(57434,57448) = 23 × 131 × 472 × 431 × 1671
LCM(57434,57448) = 1649734216