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What is the Least Common Multiple of 42269 and 42288?

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 42269 and 42288 is 1787471472.

LCM(42269,42288) = 1787471472

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Least Common Multiple of 42269 and 42288 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42269 and 42288, than apply into the LCM equation.

GCF(42269,42288) = 1
LCM(42269,42288) = ( 42269 × 42288) / 1
LCM(42269,42288) = 1787471472 / 1
LCM(42269,42288) = 1787471472

Least Common Multiple (LCM) of 42269 and 42288 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42269 and 42288. First we will calculate the prime factors of 42269 and 42288.

Prime Factorization of 42269

Prime factors of 42269 are 43, 983. Prime factorization of 42269 in exponential form is:

42269 = 431 × 9831

Prime Factorization of 42288

Prime factors of 42288 are 2, 3, 881. Prime factorization of 42288 in exponential form is:

42288 = 24 × 31 × 8811

Now multiplying the highest exponent prime factors to calculate the LCM of 42269 and 42288.

LCM(42269,42288) = 431 × 9831 × 24 × 31 × 8811
LCM(42269,42288) = 1787471472