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What is the Least Common Multiple of 9280 and 9298?

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 9280 and 9298 is 43142720.

LCM(9280,9298) = 43142720

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Least Common Multiple of 9280 and 9298 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9280 and 9298, than apply into the LCM equation.

GCF(9280,9298) = 2
LCM(9280,9298) = ( 9280 × 9298) / 2
LCM(9280,9298) = 86285440 / 2
LCM(9280,9298) = 43142720

Least Common Multiple (LCM) of 9280 and 9298 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9280 and 9298. First we will calculate the prime factors of 9280 and 9298.

Prime Factorization of 9280

Prime factors of 9280 are 2, 5, 29. Prime factorization of 9280 in exponential form is:

9280 = 26 × 51 × 291

Prime Factorization of 9298

Prime factors of 9298 are 2, 4649. Prime factorization of 9298 in exponential form is:

9298 = 21 × 46491

Now multiplying the highest exponent prime factors to calculate the LCM of 9280 and 9298.

LCM(9280,9298) = 26 × 51 × 291 × 46491
LCM(9280,9298) = 43142720