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What is the Least Common Multiple of 57438 and 57445?

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 57438 and 57445 is 3299525910.

LCM(57438,57445) = 3299525910

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Least Common Multiple of 57438 and 57445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57438 and 57445, than apply into the LCM equation.

GCF(57438,57445) = 1
LCM(57438,57445) = ( 57438 × 57445) / 1
LCM(57438,57445) = 3299525910 / 1
LCM(57438,57445) = 3299525910

Least Common Multiple (LCM) of 57438 and 57445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57438 and 57445. First we will calculate the prime factors of 57438 and 57445.

Prime Factorization of 57438

Prime factors of 57438 are 2, 3, 3191. Prime factorization of 57438 in exponential form is:

57438 = 21 × 32 × 31911

Prime Factorization of 57445

Prime factors of 57445 are 5, 11489. Prime factorization of 57445 in exponential form is:

57445 = 51 × 114891

Now multiplying the highest exponent prime factors to calculate the LCM of 57438 and 57445.

LCM(57438,57445) = 21 × 32 × 31911 × 51 × 114891
LCM(57438,57445) = 3299525910