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What is the Least Common Multiple of 80778 and 80784?

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 80778 and 80784 is 1087594992.

LCM(80778,80784) = 1087594992

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Least Common Multiple of 80778 and 80784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80778 and 80784, than apply into the LCM equation.

GCF(80778,80784) = 6
LCM(80778,80784) = ( 80778 × 80784) / 6
LCM(80778,80784) = 6525569952 / 6
LCM(80778,80784) = 1087594992

Least Common Multiple (LCM) of 80778 and 80784 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80778 and 80784. First we will calculate the prime factors of 80778 and 80784.

Prime Factorization of 80778

Prime factors of 80778 are 2, 3, 13463. Prime factorization of 80778 in exponential form is:

80778 = 21 × 31 × 134631

Prime Factorization of 80784

Prime factors of 80784 are 2, 3, 11, 17. Prime factorization of 80784 in exponential form is:

80784 = 24 × 33 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 80778 and 80784.

LCM(80778,80784) = 24 × 33 × 134631 × 111 × 171
LCM(80778,80784) = 1087594992