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What is the Least Common Multiple of 43905 and 43918?

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 43905 and 43918 is 1928219790.

LCM(43905,43918) = 1928219790

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Least Common Multiple of 43905 and 43918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43905 and 43918, than apply into the LCM equation.

GCF(43905,43918) = 1
LCM(43905,43918) = ( 43905 × 43918) / 1
LCM(43905,43918) = 1928219790 / 1
LCM(43905,43918) = 1928219790

Least Common Multiple (LCM) of 43905 and 43918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43905 and 43918. First we will calculate the prime factors of 43905 and 43918.

Prime Factorization of 43905

Prime factors of 43905 are 3, 5, 2927. Prime factorization of 43905 in exponential form is:

43905 = 31 × 51 × 29271

Prime Factorization of 43918

Prime factors of 43918 are 2, 7, 3137. Prime factorization of 43918 in exponential form is:

43918 = 21 × 71 × 31371

Now multiplying the highest exponent prime factors to calculate the LCM of 43905 and 43918.

LCM(43905,43918) = 31 × 51 × 29271 × 21 × 71 × 31371
LCM(43905,43918) = 1928219790