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What is the Least Common Multiple of 42732 and 42738?

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 42732 and 42738 is 304380036.

LCM(42732,42738) = 304380036

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Least Common Multiple of 42732 and 42738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42732 and 42738, than apply into the LCM equation.

GCF(42732,42738) = 6
LCM(42732,42738) = ( 42732 × 42738) / 6
LCM(42732,42738) = 1826280216 / 6
LCM(42732,42738) = 304380036

Least Common Multiple (LCM) of 42732 and 42738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42732 and 42738. First we will calculate the prime factors of 42732 and 42738.

Prime Factorization of 42732

Prime factors of 42732 are 2, 3, 1187. Prime factorization of 42732 in exponential form is:

42732 = 22 × 32 × 11871

Prime Factorization of 42738

Prime factors of 42738 are 2, 3, 17, 419. Prime factorization of 42738 in exponential form is:

42738 = 21 × 31 × 171 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 42732 and 42738.

LCM(42732,42738) = 22 × 32 × 11871 × 171 × 4191
LCM(42732,42738) = 304380036