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What is the Least Common Multiple of 25355 and 25370?

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 25355 and 25370 is 128651270.

LCM(25355,25370) = 128651270

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Least Common Multiple of 25355 and 25370 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25355 and 25370, than apply into the LCM equation.

GCF(25355,25370) = 5
LCM(25355,25370) = ( 25355 × 25370) / 5
LCM(25355,25370) = 643256350 / 5
LCM(25355,25370) = 128651270

Least Common Multiple (LCM) of 25355 and 25370 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25355 and 25370. First we will calculate the prime factors of 25355 and 25370.

Prime Factorization of 25355

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

25355 = 51 × 111 × 4611

Prime Factorization of 25370

Prime factors of 25370 are 2, 5, 43, 59. Prime factorization of 25370 in exponential form is:

25370 = 21 × 51 × 431 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 25355 and 25370.

LCM(25355,25370) = 51 × 111 × 4611 × 21 × 431 × 591
LCM(25355,25370) = 128651270