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What is the Least Common Multiple of 43915 and 43921?

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 43915 and 43921 is 1928790715.

LCM(43915,43921) = 1928790715

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Least Common Multiple of 43915 and 43921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43915 and 43921, than apply into the LCM equation.

GCF(43915,43921) = 1
LCM(43915,43921) = ( 43915 × 43921) / 1
LCM(43915,43921) = 1928790715 / 1
LCM(43915,43921) = 1928790715

Least Common Multiple (LCM) of 43915 and 43921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43915 and 43921. First we will calculate the prime factors of 43915 and 43921.

Prime Factorization of 43915

Prime factors of 43915 are 5, 8783. Prime factorization of 43915 in exponential form is:

43915 = 51 × 87831

Prime Factorization of 43921

Prime factors of 43921 are 167, 263. Prime factorization of 43921 in exponential form is:

43921 = 1671 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 43915 and 43921.

LCM(43915,43921) = 51 × 87831 × 1671 × 2631
LCM(43915,43921) = 1928790715