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What is the Least Common Multiple of 47428 and 47434?

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 47428 and 47434 is 1124849876.

LCM(47428,47434) = 1124849876

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Least Common Multiple of 47428 and 47434 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47428 and 47434, than apply into the LCM equation.

GCF(47428,47434) = 2
LCM(47428,47434) = ( 47428 × 47434) / 2
LCM(47428,47434) = 2249699752 / 2
LCM(47428,47434) = 1124849876

Least Common Multiple (LCM) of 47428 and 47434 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47428 and 47434. First we will calculate the prime factors of 47428 and 47434.

Prime Factorization of 47428

Prime factors of 47428 are 2, 71, 167. Prime factorization of 47428 in exponential form is:

47428 = 22 × 711 × 1671

Prime Factorization of 47434

Prime factors of 47434 are 2, 37, 641. Prime factorization of 47434 in exponential form is:

47434 = 21 × 371 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 47428 and 47434.

LCM(47428,47434) = 22 × 711 × 1671 × 371 × 6411
LCM(47428,47434) = 1124849876