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What is the Least Common Multiple of 87449 and 87458?

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 87449 and 87458 is 7648114642.

LCM(87449,87458) = 7648114642

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Least Common Multiple of 87449 and 87458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87449 and 87458, than apply into the LCM equation.

GCF(87449,87458) = 1
LCM(87449,87458) = ( 87449 × 87458) / 1
LCM(87449,87458) = 7648114642 / 1
LCM(87449,87458) = 7648114642

Least Common Multiple (LCM) of 87449 and 87458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87449 and 87458. First we will calculate the prime factors of 87449 and 87458.

Prime Factorization of 87449

Prime factors of 87449 are 157, 557. Prime factorization of 87449 in exponential form is:

87449 = 1571 × 5571

Prime Factorization of 87458

Prime factors of 87458 are 2, 7, 6247. Prime factorization of 87458 in exponential form is:

87458 = 21 × 71 × 62471

Now multiplying the highest exponent prime factors to calculate the LCM of 87449 and 87458.

LCM(87449,87458) = 1571 × 5571 × 21 × 71 × 62471
LCM(87449,87458) = 7648114642