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What is the Least Common Multiple of 23555 and 23564?

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 23555 and 23564 is 555050020.

LCM(23555,23564) = 555050020

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Least Common Multiple of 23555 and 23564 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23555 and 23564, than apply into the LCM equation.

GCF(23555,23564) = 1
LCM(23555,23564) = ( 23555 × 23564) / 1
LCM(23555,23564) = 555050020 / 1
LCM(23555,23564) = 555050020

Least Common Multiple (LCM) of 23555 and 23564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23555 and 23564. First we will calculate the prime factors of 23555 and 23564.

Prime Factorization of 23555

Prime factors of 23555 are 5, 7, 673. Prime factorization of 23555 in exponential form is:

23555 = 51 × 71 × 6731

Prime Factorization of 23564

Prime factors of 23564 are 2, 43, 137. Prime factorization of 23564 in exponential form is:

23564 = 22 × 431 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 23555 and 23564.

LCM(23555,23564) = 51 × 71 × 6731 × 22 × 431 × 1371
LCM(23555,23564) = 555050020