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What is the Least Common Multiple of 38949 and 38960?

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 38949 and 38960 is 1517453040.

LCM(38949,38960) = 1517453040

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Least Common Multiple of 38949 and 38960 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38949 and 38960, than apply into the LCM equation.

GCF(38949,38960) = 1
LCM(38949,38960) = ( 38949 × 38960) / 1
LCM(38949,38960) = 1517453040 / 1
LCM(38949,38960) = 1517453040

Least Common Multiple (LCM) of 38949 and 38960 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38949 and 38960. First we will calculate the prime factors of 38949 and 38960.

Prime Factorization of 38949

Prime factors of 38949 are 3, 12983. Prime factorization of 38949 in exponential form is:

38949 = 31 × 129831

Prime Factorization of 38960

Prime factors of 38960 are 2, 5, 487. Prime factorization of 38960 in exponential form is:

38960 = 24 × 51 × 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 38949 and 38960.

LCM(38949,38960) = 31 × 129831 × 24 × 51 × 4871
LCM(38949,38960) = 1517453040