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What is the Least Common Multiple of 9478 and 9485?

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 9478 and 9485 is 12842690.

LCM(9478,9485) = 12842690

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Least Common Multiple of 9478 and 9485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9478 and 9485, than apply into the LCM equation.

GCF(9478,9485) = 7
LCM(9478,9485) = ( 9478 × 9485) / 7
LCM(9478,9485) = 89898830 / 7
LCM(9478,9485) = 12842690

Least Common Multiple (LCM) of 9478 and 9485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9478 and 9485. First we will calculate the prime factors of 9478 and 9485.

Prime Factorization of 9478

Prime factors of 9478 are 2, 7, 677. Prime factorization of 9478 in exponential form is:

9478 = 21 × 71 × 6771

Prime Factorization of 9485

Prime factors of 9485 are 5, 7, 271. Prime factorization of 9485 in exponential form is:

9485 = 51 × 71 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 9478 and 9485.

LCM(9478,9485) = 21 × 71 × 6771 × 51 × 2711
LCM(9478,9485) = 12842690