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What is the Least Common Multiple of 42064 and 42069?

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 42064 and 42069 is 1769590416.

LCM(42064,42069) = 1769590416

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Least Common Multiple of 42064 and 42069 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42064 and 42069, than apply into the LCM equation.

GCF(42064,42069) = 1
LCM(42064,42069) = ( 42064 × 42069) / 1
LCM(42064,42069) = 1769590416 / 1
LCM(42064,42069) = 1769590416

Least Common Multiple (LCM) of 42064 and 42069 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42064 and 42069. First we will calculate the prime factors of 42064 and 42069.

Prime Factorization of 42064

Prime factors of 42064 are 2, 11, 239. Prime factorization of 42064 in exponential form is:

42064 = 24 × 111 × 2391

Prime Factorization of 42069

Prime factors of 42069 are 3, 37, 379. Prime factorization of 42069 in exponential form is:

42069 = 31 × 371 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 42064 and 42069.

LCM(42064,42069) = 24 × 111 × 2391 × 31 × 371 × 3791
LCM(42064,42069) = 1769590416