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What is the Least Common Multiple of 43955 and 43960?

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 43955 and 43960 is 386452360.

LCM(43955,43960) = 386452360

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Least Common Multiple of 43955 and 43960 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43955 and 43960, than apply into the LCM equation.

GCF(43955,43960) = 5
LCM(43955,43960) = ( 43955 × 43960) / 5
LCM(43955,43960) = 1932261800 / 5
LCM(43955,43960) = 386452360

Least Common Multiple (LCM) of 43955 and 43960 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43955 and 43960. First we will calculate the prime factors of 43955 and 43960.

Prime Factorization of 43955

Prime factors of 43955 are 5, 59, 149. Prime factorization of 43955 in exponential form is:

43955 = 51 × 591 × 1491

Prime Factorization of 43960

Prime factors of 43960 are 2, 5, 7, 157. Prime factorization of 43960 in exponential form is:

43960 = 23 × 51 × 71 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 43955 and 43960.

LCM(43955,43960) = 51 × 591 × 1491 × 23 × 71 × 1571
LCM(43955,43960) = 386452360