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What is the Least Common Multiple of 87821 and 87830?

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 87821 and 87830 is 7713318430.

LCM(87821,87830) = 7713318430

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Least Common Multiple of 87821 and 87830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87821 and 87830, than apply into the LCM equation.

GCF(87821,87830) = 1
LCM(87821,87830) = ( 87821 × 87830) / 1
LCM(87821,87830) = 7713318430 / 1
LCM(87821,87830) = 7713318430

Least Common Multiple (LCM) of 87821 and 87830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87821 and 87830. First we will calculate the prime factors of 87821 and 87830.

Prime Factorization of 87821

Prime factors of 87821 are 53, 1657. Prime factorization of 87821 in exponential form is:

87821 = 531 × 16571

Prime Factorization of 87830

Prime factors of 87830 are 2, 5, 8783. Prime factorization of 87830 in exponential form is:

87830 = 21 × 51 × 87831

Now multiplying the highest exponent prime factors to calculate the LCM of 87821 and 87830.

LCM(87821,87830) = 531 × 16571 × 21 × 51 × 87831
LCM(87821,87830) = 7713318430