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What is the Least Common Multiple of 56423 and 56430?

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 56423 and 56430 is 3183949890.

LCM(56423,56430) = 3183949890

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Least Common Multiple of 56423 and 56430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56423 and 56430, than apply into the LCM equation.

GCF(56423,56430) = 1
LCM(56423,56430) = ( 56423 × 56430) / 1
LCM(56423,56430) = 3183949890 / 1
LCM(56423,56430) = 3183949890

Least Common Multiple (LCM) of 56423 and 56430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56423 and 56430. First we will calculate the prime factors of 56423 and 56430.

Prime Factorization of 56423

Prime factors of 56423 are 17, 3319. Prime factorization of 56423 in exponential form is:

56423 = 171 × 33191

Prime Factorization of 56430

Prime factors of 56430 are 2, 3, 5, 11, 19. Prime factorization of 56430 in exponential form is:

56430 = 21 × 33 × 51 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 56423 and 56430.

LCM(56423,56430) = 171 × 33191 × 21 × 33 × 51 × 111 × 191
LCM(56423,56430) = 3183949890