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What is the Least Common Multiple of 42867 and 42884?

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 42867 and 42884 is 1838308428.

LCM(42867,42884) = 1838308428

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Least Common Multiple of 42867 and 42884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42867 and 42884, than apply into the LCM equation.

GCF(42867,42884) = 1
LCM(42867,42884) = ( 42867 × 42884) / 1
LCM(42867,42884) = 1838308428 / 1
LCM(42867,42884) = 1838308428

Least Common Multiple (LCM) of 42867 and 42884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42867 and 42884. First we will calculate the prime factors of 42867 and 42884.

Prime Factorization of 42867

Prime factors of 42867 are 3, 11, 433. Prime factorization of 42867 in exponential form is:

42867 = 32 × 111 × 4331

Prime Factorization of 42884

Prime factors of 42884 are 2, 71, 151. Prime factorization of 42884 in exponential form is:

42884 = 22 × 711 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 42867 and 42884.

LCM(42867,42884) = 32 × 111 × 4331 × 22 × 711 × 1511
LCM(42867,42884) = 1838308428