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What is the Least Common Multiple of 80709 and 80720?

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 80709 and 80720 is 6514830480.

LCM(80709,80720) = 6514830480

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Least Common Multiple of 80709 and 80720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80709 and 80720, than apply into the LCM equation.

GCF(80709,80720) = 1
LCM(80709,80720) = ( 80709 × 80720) / 1
LCM(80709,80720) = 6514830480 / 1
LCM(80709,80720) = 6514830480

Least Common Multiple (LCM) of 80709 and 80720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80709 and 80720. First we will calculate the prime factors of 80709 and 80720.

Prime Factorization of 80709

Prime factors of 80709 are 3, 26903. Prime factorization of 80709 in exponential form is:

80709 = 31 × 269031

Prime Factorization of 80720

Prime factors of 80720 are 2, 5, 1009. Prime factorization of 80720 in exponential form is:

80720 = 24 × 51 × 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 80709 and 80720.

LCM(80709,80720) = 31 × 269031 × 24 × 51 × 10091
LCM(80709,80720) = 6514830480