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What is the Least Common Multiple of 87813 and 87822?

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 87813 and 87822 is 856879254.

LCM(87813,87822) = 856879254

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Least Common Multiple of 87813 and 87822 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87813 and 87822, than apply into the LCM equation.

GCF(87813,87822) = 9
LCM(87813,87822) = ( 87813 × 87822) / 9
LCM(87813,87822) = 7711913286 / 9
LCM(87813,87822) = 856879254

Least Common Multiple (LCM) of 87813 and 87822 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87813 and 87822. First we will calculate the prime factors of 87813 and 87822.

Prime Factorization of 87813

Prime factors of 87813 are 3, 11, 887. Prime factorization of 87813 in exponential form is:

87813 = 32 × 111 × 8871

Prime Factorization of 87822

Prime factors of 87822 are 2, 3, 7, 17, 41. Prime factorization of 87822 in exponential form is:

87822 = 21 × 32 × 71 × 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 87813 and 87822.

LCM(87813,87822) = 32 × 111 × 8871 × 21 × 71 × 171 × 411
LCM(87813,87822) = 856879254