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What is the Least Common Multiple of 87451 and 87460?

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 87451 and 87460 is 7648464460.

LCM(87451,87460) = 7648464460

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Least Common Multiple of 87451 and 87460 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87451 and 87460, than apply into the LCM equation.

GCF(87451,87460) = 1
LCM(87451,87460) = ( 87451 × 87460) / 1
LCM(87451,87460) = 7648464460 / 1
LCM(87451,87460) = 7648464460

Least Common Multiple (LCM) of 87451 and 87460 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87451 and 87460. First we will calculate the prime factors of 87451 and 87460.

Prime Factorization of 87451

Prime factors of 87451 are 7, 13, 31. Prime factorization of 87451 in exponential form is:

87451 = 71 × 131 × 312

Prime Factorization of 87460

Prime factors of 87460 are 2, 5, 4373. Prime factorization of 87460 in exponential form is:

87460 = 22 × 51 × 43731

Now multiplying the highest exponent prime factors to calculate the LCM of 87451 and 87460.

LCM(87451,87460) = 71 × 131 × 312 × 22 × 51 × 43731
LCM(87451,87460) = 7648464460