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What is the Least Common Multiple of 22430 and 22446?

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 22430 and 22446 is 251731890.

LCM(22430,22446) = 251731890

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Least Common Multiple of 22430 and 22446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22430 and 22446, than apply into the LCM equation.

GCF(22430,22446) = 2
LCM(22430,22446) = ( 22430 × 22446) / 2
LCM(22430,22446) = 503463780 / 2
LCM(22430,22446) = 251731890

Least Common Multiple (LCM) of 22430 and 22446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22430 and 22446. First we will calculate the prime factors of 22430 and 22446.

Prime Factorization of 22430

Prime factors of 22430 are 2, 5, 2243. Prime factorization of 22430 in exponential form is:

22430 = 21 × 51 × 22431

Prime Factorization of 22446

Prime factors of 22446 are 2, 3, 29, 43. Prime factorization of 22446 in exponential form is:

22446 = 21 × 32 × 291 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 22430 and 22446.

LCM(22430,22446) = 21 × 51 × 22431 × 32 × 291 × 431
LCM(22430,22446) = 251731890