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What is the Least Common Multiple of 42471 and 42476?

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 42471 and 42476 is 1803998196.

LCM(42471,42476) = 1803998196

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Least Common Multiple of 42471 and 42476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42471 and 42476, than apply into the LCM equation.

GCF(42471,42476) = 1
LCM(42471,42476) = ( 42471 × 42476) / 1
LCM(42471,42476) = 1803998196 / 1
LCM(42471,42476) = 1803998196

Least Common Multiple (LCM) of 42471 and 42476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42471 and 42476. First we will calculate the prime factors of 42471 and 42476.

Prime Factorization of 42471

Prime factors of 42471 are 3, 11, 13. Prime factorization of 42471 in exponential form is:

42471 = 33 × 112 × 131

Prime Factorization of 42476

Prime factors of 42476 are 2, 7, 37, 41. Prime factorization of 42476 in exponential form is:

42476 = 22 × 71 × 371 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 42471 and 42476.

LCM(42471,42476) = 33 × 112 × 131 × 22 × 71 × 371 × 411
LCM(42471,42476) = 1803998196