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What is the Least Common Multiple of 25435 and 25455?

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 25455 is 129489585.

LCM(25435,25455) = 129489585

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Least Common Multiple of 25435 and 25455 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 25455, than apply into the LCM equation.

GCF(25435,25455) = 5
LCM(25435,25455) = ( 25435 × 25455) / 5
LCM(25435,25455) = 647447925 / 5
LCM(25435,25455) = 129489585

Least Common Multiple (LCM) of 25435 and 25455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25435 and 25455. First we will calculate the prime factors of 25435 and 25455.

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 25455

Prime factors of 25455 are 3, 5, 1697. Prime factorization of 25455 in exponential form is:

25455 = 31 × 51 × 16971

Now multiplying the highest exponent prime factors to calculate the LCM of 25435 and 25455.

LCM(25435,25455) = 51 × 50871 × 31 × 16971
LCM(25435,25455) = 129489585