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What is the Least Common Multiple of 43273 and 43280?

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 43273 and 43280 is 1872855440.

LCM(43273,43280) = 1872855440

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Least Common Multiple of 43273 and 43280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43273 and 43280, than apply into the LCM equation.

GCF(43273,43280) = 1
LCM(43273,43280) = ( 43273 × 43280) / 1
LCM(43273,43280) = 1872855440 / 1
LCM(43273,43280) = 1872855440

Least Common Multiple (LCM) of 43273 and 43280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43273 and 43280. First we will calculate the prime factors of 43273 and 43280.

Prime Factorization of 43273

Prime factors of 43273 are 109, 397. Prime factorization of 43273 in exponential form is:

43273 = 1091 × 3971

Prime Factorization of 43280

Prime factors of 43280 are 2, 5, 541. Prime factorization of 43280 in exponential form is:

43280 = 24 × 51 × 5411

Now multiplying the highest exponent prime factors to calculate the LCM of 43273 and 43280.

LCM(43273,43280) = 1091 × 3971 × 24 × 51 × 5411
LCM(43273,43280) = 1872855440