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What is the Least Common Multiple of 74478 and 74494?

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 74478 and 74494 is 2774082066.

LCM(74478,74494) = 2774082066

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Least Common Multiple of 74478 and 74494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74478 and 74494, than apply into the LCM equation.

GCF(74478,74494) = 2
LCM(74478,74494) = ( 74478 × 74494) / 2
LCM(74478,74494) = 5548164132 / 2
LCM(74478,74494) = 2774082066

Least Common Multiple (LCM) of 74478 and 74494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74478 and 74494. First we will calculate the prime factors of 74478 and 74494.

Prime Factorization of 74478

Prime factors of 74478 are 2, 3, 12413. Prime factorization of 74478 in exponential form is:

74478 = 21 × 31 × 124131

Prime Factorization of 74494

Prime factors of 74494 are 2, 7, 17, 313. Prime factorization of 74494 in exponential form is:

74494 = 21 × 71 × 171 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 74478 and 74494.

LCM(74478,74494) = 21 × 31 × 124131 × 71 × 171 × 3131
LCM(74478,74494) = 2774082066