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What is the Least Common Multiple of 38428 and 38446?

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 38428 and 38446 is 738701444.

LCM(38428,38446) = 738701444

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Least Common Multiple of 38428 and 38446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38428 and 38446, than apply into the LCM equation.

GCF(38428,38446) = 2
LCM(38428,38446) = ( 38428 × 38446) / 2
LCM(38428,38446) = 1477402888 / 2
LCM(38428,38446) = 738701444

Least Common Multiple (LCM) of 38428 and 38446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38428 and 38446. First we will calculate the prime factors of 38428 and 38446.

Prime Factorization of 38428

Prime factors of 38428 are 2, 13, 739. Prime factorization of 38428 in exponential form is:

38428 = 22 × 131 × 7391

Prime Factorization of 38446

Prime factors of 38446 are 2, 47, 409. Prime factorization of 38446 in exponential form is:

38446 = 21 × 471 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 38428 and 38446.

LCM(38428,38446) = 22 × 131 × 7391 × 471 × 4091
LCM(38428,38446) = 738701444