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What is the Least Common Multiple of 9450 and 9470?

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 9450 and 9470 is 8949150.

LCM(9450,9470) = 8949150

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Least Common Multiple of 9450 and 9470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9450 and 9470, than apply into the LCM equation.

GCF(9450,9470) = 10
LCM(9450,9470) = ( 9450 × 9470) / 10
LCM(9450,9470) = 89491500 / 10
LCM(9450,9470) = 8949150

Least Common Multiple (LCM) of 9450 and 9470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9450 and 9470. First we will calculate the prime factors of 9450 and 9470.

Prime Factorization of 9450

Prime factors of 9450 are 2, 3, 5, 7. Prime factorization of 9450 in exponential form is:

9450 = 21 × 33 × 52 × 71

Prime Factorization of 9470

Prime factors of 9470 are 2, 5, 947. Prime factorization of 9470 in exponential form is:

9470 = 21 × 51 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 9450 and 9470.

LCM(9450,9470) = 21 × 33 × 52 × 71 × 9471
LCM(9450,9470) = 8949150