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What is the Least Common Multiple of 25435 and 25451?

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 25435 and 25451 is 647346185.

LCM(25435,25451) = 647346185

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Least Common Multiple of 25435 and 25451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25435 and 25451, than apply into the LCM equation.

GCF(25435,25451) = 1
LCM(25435,25451) = ( 25435 × 25451) / 1
LCM(25435,25451) = 647346185 / 1
LCM(25435,25451) = 647346185

Least Common Multiple (LCM) of 25435 and 25451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25435 and 25451. First we will calculate the prime factors of 25435 and 25451.

Prime Factorization of 25435

Prime factors of 25435 are 5, 5087. Prime factorization of 25435 in exponential form is:

25435 = 51 × 50871

Prime Factorization of 25451

Prime factors of 25451 are 31, 821. Prime factorization of 25451 in exponential form is:

25451 = 311 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 25435 and 25451.

LCM(25435,25451) = 51 × 50871 × 311 × 8211
LCM(25435,25451) = 647346185