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What is the Least Common Multiple of 80420 and 80437?

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 80420 and 80437 is 6468743540.

LCM(80420,80437) = 6468743540

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Least Common Multiple of 80420 and 80437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80420 and 80437, than apply into the LCM equation.

GCF(80420,80437) = 1
LCM(80420,80437) = ( 80420 × 80437) / 1
LCM(80420,80437) = 6468743540 / 1
LCM(80420,80437) = 6468743540

Least Common Multiple (LCM) of 80420 and 80437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80420 and 80437. First we will calculate the prime factors of 80420 and 80437.

Prime Factorization of 80420

Prime factors of 80420 are 2, 5, 4021. Prime factorization of 80420 in exponential form is:

80420 = 22 × 51 × 40211

Prime Factorization of 80437

Prime factors of 80437 are 7, 11491. Prime factorization of 80437 in exponential form is:

80437 = 71 × 114911

Now multiplying the highest exponent prime factors to calculate the LCM of 80420 and 80437.

LCM(80420,80437) = 22 × 51 × 40211 × 71 × 114911
LCM(80420,80437) = 6468743540