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What is the Least Common Multiple of 43253 and 43257?

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 43253 and 43257 is 1870995021.

LCM(43253,43257) = 1870995021

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Least Common Multiple of 43253 and 43257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43253 and 43257, than apply into the LCM equation.

GCF(43253,43257) = 1
LCM(43253,43257) = ( 43253 × 43257) / 1
LCM(43253,43257) = 1870995021 / 1
LCM(43253,43257) = 1870995021

Least Common Multiple (LCM) of 43253 and 43257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43253 and 43257. First we will calculate the prime factors of 43253 and 43257.

Prime Factorization of 43253

Prime factors of 43253 are 7, 37, 167. Prime factorization of 43253 in exponential form is:

43253 = 71 × 371 × 1671

Prime Factorization of 43257

Prime factors of 43257 are 3, 14419. Prime factorization of 43257 in exponential form is:

43257 = 31 × 144191

Now multiplying the highest exponent prime factors to calculate the LCM of 43253 and 43257.

LCM(43253,43257) = 71 × 371 × 1671 × 31 × 144191
LCM(43253,43257) = 1870995021