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What is the Least Common Multiple of 47320 and 47332?

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 47320 and 47332 is 559937560.

LCM(47320,47332) = 559937560

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Least Common Multiple of 47320 and 47332 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47320 and 47332, than apply into the LCM equation.

GCF(47320,47332) = 4
LCM(47320,47332) = ( 47320 × 47332) / 4
LCM(47320,47332) = 2239750240 / 4
LCM(47320,47332) = 559937560

Least Common Multiple (LCM) of 47320 and 47332 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47320 and 47332. First we will calculate the prime factors of 47320 and 47332.

Prime Factorization of 47320

Prime factors of 47320 are 2, 5, 7, 13. Prime factorization of 47320 in exponential form is:

47320 = 23 × 51 × 71 × 132

Prime Factorization of 47332

Prime factors of 47332 are 2, 11833. Prime factorization of 47332 in exponential form is:

47332 = 22 × 118331

Now multiplying the highest exponent prime factors to calculate the LCM of 47320 and 47332.

LCM(47320,47332) = 23 × 51 × 71 × 132 × 118331
LCM(47320,47332) = 559937560