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What is the Least Common Multiple of 51438 and 51443?

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 51438 and 51443 is 2646125034.

LCM(51438,51443) = 2646125034

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Least Common Multiple of 51438 and 51443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51438 and 51443, than apply into the LCM equation.

GCF(51438,51443) = 1
LCM(51438,51443) = ( 51438 × 51443) / 1
LCM(51438,51443) = 2646125034 / 1
LCM(51438,51443) = 2646125034

Least Common Multiple (LCM) of 51438 and 51443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51438 and 51443. First we will calculate the prime factors of 51438 and 51443.

Prime Factorization of 51438

Prime factors of 51438 are 2, 3, 8573. Prime factorization of 51438 in exponential form is:

51438 = 21 × 31 × 85731

Prime Factorization of 51443

Prime factors of 51443 are 7, 7349. Prime factorization of 51443 in exponential form is:

51443 = 71 × 73491

Now multiplying the highest exponent prime factors to calculate the LCM of 51438 and 51443.

LCM(51438,51443) = 21 × 31 × 85731 × 71 × 73491
LCM(51438,51443) = 2646125034