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What is the Least Common Multiple of 42669 and 42678?

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 42669 and 42678 is 202336398.

LCM(42669,42678) = 202336398

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Least Common Multiple of 42669 and 42678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42669 and 42678, than apply into the LCM equation.

GCF(42669,42678) = 9
LCM(42669,42678) = ( 42669 × 42678) / 9
LCM(42669,42678) = 1821027582 / 9
LCM(42669,42678) = 202336398

Least Common Multiple (LCM) of 42669 and 42678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42669 and 42678. First we will calculate the prime factors of 42669 and 42678.

Prime Factorization of 42669

Prime factors of 42669 are 3, 11, 431. Prime factorization of 42669 in exponential form is:

42669 = 32 × 111 × 4311

Prime Factorization of 42678

Prime factors of 42678 are 2, 3, 2371. Prime factorization of 42678 in exponential form is:

42678 = 21 × 32 × 23711

Now multiplying the highest exponent prime factors to calculate the LCM of 42669 and 42678.

LCM(42669,42678) = 32 × 111 × 4311 × 21 × 23711
LCM(42669,42678) = 202336398