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What is the Least Common Multiple of 86703 and 86720?

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 86703 and 86720 is 7518884160.

LCM(86703,86720) = 7518884160

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Least Common Multiple of 86703 and 86720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86703 and 86720, than apply into the LCM equation.

GCF(86703,86720) = 1
LCM(86703,86720) = ( 86703 × 86720) / 1
LCM(86703,86720) = 7518884160 / 1
LCM(86703,86720) = 7518884160

Least Common Multiple (LCM) of 86703 and 86720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86703 and 86720. First we will calculate the prime factors of 86703 and 86720.

Prime Factorization of 86703

Prime factors of 86703 are 3, 28901. Prime factorization of 86703 in exponential form is:

86703 = 31 × 289011

Prime Factorization of 86720

Prime factors of 86720 are 2, 5, 271. Prime factorization of 86720 in exponential form is:

86720 = 26 × 51 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 86703 and 86720.

LCM(86703,86720) = 31 × 289011 × 26 × 51 × 2711
LCM(86703,86720) = 7518884160