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What is the Least Common Multiple of 22542 and 22555?

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 22542 and 22555 is 39110370.

LCM(22542,22555) = 39110370

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Least Common Multiple of 22542 and 22555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22542 and 22555, than apply into the LCM equation.

GCF(22542,22555) = 13
LCM(22542,22555) = ( 22542 × 22555) / 13
LCM(22542,22555) = 508434810 / 13
LCM(22542,22555) = 39110370

Least Common Multiple (LCM) of 22542 and 22555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22542 and 22555. First we will calculate the prime factors of 22542 and 22555.

Prime Factorization of 22542

Prime factors of 22542 are 2, 3, 13, 17. Prime factorization of 22542 in exponential form is:

22542 = 21 × 31 × 131 × 172

Prime Factorization of 22555

Prime factors of 22555 are 5, 13, 347. Prime factorization of 22555 in exponential form is:

22555 = 51 × 131 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 22542 and 22555.

LCM(22542,22555) = 21 × 31 × 131 × 172 × 51 × 3471
LCM(22542,22555) = 39110370