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What is the Least Common Multiple of 65280 and 65291?

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 65280 and 65291 is 4262196480.

LCM(65280,65291) = 4262196480

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Least Common Multiple of 65280 and 65291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65280 and 65291, than apply into the LCM equation.

GCF(65280,65291) = 1
LCM(65280,65291) = ( 65280 × 65291) / 1
LCM(65280,65291) = 4262196480 / 1
LCM(65280,65291) = 4262196480

Least Common Multiple (LCM) of 65280 and 65291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65280 and 65291. First we will calculate the prime factors of 65280 and 65291.

Prime Factorization of 65280

Prime factors of 65280 are 2, 3, 5, 17. Prime factorization of 65280 in exponential form is:

65280 = 28 × 31 × 51 × 171

Prime Factorization of 65291

Prime factors of 65291 are 109, 599. Prime factorization of 65291 in exponential form is:

65291 = 1091 × 5991

Now multiplying the highest exponent prime factors to calculate the LCM of 65280 and 65291.

LCM(65280,65291) = 28 × 31 × 51 × 171 × 1091 × 5991
LCM(65280,65291) = 4262196480