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What is the Least Common Multiple of 86810 and 86821?

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 86810 and 86821 is 7536931010.

LCM(86810,86821) = 7536931010

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Least Common Multiple of 86810 and 86821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86810 and 86821, than apply into the LCM equation.

GCF(86810,86821) = 1
LCM(86810,86821) = ( 86810 × 86821) / 1
LCM(86810,86821) = 7536931010 / 1
LCM(86810,86821) = 7536931010

Least Common Multiple (LCM) of 86810 and 86821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86810 and 86821. First we will calculate the prime factors of 86810 and 86821.

Prime Factorization of 86810

Prime factors of 86810 are 2, 5, 8681. Prime factorization of 86810 in exponential form is:

86810 = 21 × 51 × 86811

Prime Factorization of 86821

Prime factors of 86821 are 7, 79, 157. Prime factorization of 86821 in exponential form is:

86821 = 71 × 791 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 86810 and 86821.

LCM(86810,86821) = 21 × 51 × 86811 × 71 × 791 × 1571
LCM(86810,86821) = 7536931010