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What is the Least Common Multiple of 43461 and 43480?

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 43461 and 43480 is 1889684280.

LCM(43461,43480) = 1889684280

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Least Common Multiple of 43461 and 43480 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43461 and 43480, than apply into the LCM equation.

GCF(43461,43480) = 1
LCM(43461,43480) = ( 43461 × 43480) / 1
LCM(43461,43480) = 1889684280 / 1
LCM(43461,43480) = 1889684280

Least Common Multiple (LCM) of 43461 and 43480 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43461 and 43480. First we will calculate the prime factors of 43461 and 43480.

Prime Factorization of 43461

Prime factors of 43461 are 3, 11, 439. Prime factorization of 43461 in exponential form is:

43461 = 32 × 111 × 4391

Prime Factorization of 43480

Prime factors of 43480 are 2, 5, 1087. Prime factorization of 43480 in exponential form is:

43480 = 23 × 51 × 10871

Now multiplying the highest exponent prime factors to calculate the LCM of 43461 and 43480.

LCM(43461,43480) = 32 × 111 × 4391 × 23 × 51 × 10871
LCM(43461,43480) = 1889684280