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What is the Least Common Multiple of 25345 and 25355?

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 25345 and 25355 is 128524495.

LCM(25345,25355) = 128524495

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Least Common Multiple of 25345 and 25355 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25345 and 25355, than apply into the LCM equation.

GCF(25345,25355) = 5
LCM(25345,25355) = ( 25345 × 25355) / 5
LCM(25345,25355) = 642622475 / 5
LCM(25345,25355) = 128524495

Least Common Multiple (LCM) of 25345 and 25355 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25345 and 25355. First we will calculate the prime factors of 25345 and 25355.

Prime Factorization of 25345

Prime factors of 25345 are 5, 37, 137. Prime factorization of 25345 in exponential form is:

25345 = 51 × 371 × 1371

Prime Factorization of 25355

Prime factors of 25355 are 5, 11, 461. Prime factorization of 25355 in exponential form is:

25355 = 51 × 111 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 25345 and 25355.

LCM(25345,25355) = 51 × 371 × 1371 × 111 × 4611
LCM(25345,25355) = 128524495