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What is the Least Common Multiple of 43490 and 43496?

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 43490 and 43496 is 945820520.

LCM(43490,43496) = 945820520

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Least Common Multiple of 43490 and 43496 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43490 and 43496, than apply into the LCM equation.

GCF(43490,43496) = 2
LCM(43490,43496) = ( 43490 × 43496) / 2
LCM(43490,43496) = 1891641040 / 2
LCM(43490,43496) = 945820520

Least Common Multiple (LCM) of 43490 and 43496 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43490 and 43496. First we will calculate the prime factors of 43490 and 43496.

Prime Factorization of 43490

Prime factors of 43490 are 2, 5, 4349. Prime factorization of 43490 in exponential form is:

43490 = 21 × 51 × 43491

Prime Factorization of 43496

Prime factors of 43496 are 2, 5437. Prime factorization of 43496 in exponential form is:

43496 = 23 × 54371

Now multiplying the highest exponent prime factors to calculate the LCM of 43490 and 43496.

LCM(43490,43496) = 23 × 51 × 43491 × 54371
LCM(43490,43496) = 945820520