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What is the Least Common Multiple of 42286 and 42297?

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 42286 and 42297 is 1788570942.

LCM(42286,42297) = 1788570942

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Least Common Multiple of 42286 and 42297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42286 and 42297, than apply into the LCM equation.

GCF(42286,42297) = 1
LCM(42286,42297) = ( 42286 × 42297) / 1
LCM(42286,42297) = 1788570942 / 1
LCM(42286,42297) = 1788570942

Least Common Multiple (LCM) of 42286 and 42297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42286 and 42297. First we will calculate the prime factors of 42286 and 42297.

Prime Factorization of 42286

Prime factors of 42286 are 2, 21143. Prime factorization of 42286 in exponential form is:

42286 = 21 × 211431

Prime Factorization of 42297

Prime factors of 42297 are 3, 23, 613. Prime factorization of 42297 in exponential form is:

42297 = 31 × 231 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 42286 and 42297.

LCM(42286,42297) = 21 × 211431 × 31 × 231 × 6131
LCM(42286,42297) = 1788570942