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What is the Least Common Multiple of 42273 and 42278?

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 42273 and 42278 is 1787217894.

LCM(42273,42278) = 1787217894

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Least Common Multiple of 42273 and 42278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42273 and 42278, than apply into the LCM equation.

GCF(42273,42278) = 1
LCM(42273,42278) = ( 42273 × 42278) / 1
LCM(42273,42278) = 1787217894 / 1
LCM(42273,42278) = 1787217894

Least Common Multiple (LCM) of 42273 and 42278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42273 and 42278. First we will calculate the prime factors of 42273 and 42278.

Prime Factorization of 42273

Prime factors of 42273 are 3, 7, 11, 61. Prime factorization of 42273 in exponential form is:

42273 = 32 × 71 × 111 × 611

Prime Factorization of 42278

Prime factors of 42278 are 2, 21139. Prime factorization of 42278 in exponential form is:

42278 = 21 × 211391

Now multiplying the highest exponent prime factors to calculate the LCM of 42273 and 42278.

LCM(42273,42278) = 32 × 71 × 111 × 611 × 21 × 211391
LCM(42273,42278) = 1787217894