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What is the Least Common Multiple of 78052 and 78072?

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 78052 and 78072 is 1523418936.

LCM(78052,78072) = 1523418936

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Least Common Multiple of 78052 and 78072 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78052 and 78072, than apply into the LCM equation.

GCF(78052,78072) = 4
LCM(78052,78072) = ( 78052 × 78072) / 4
LCM(78052,78072) = 6093675744 / 4
LCM(78052,78072) = 1523418936

Least Common Multiple (LCM) of 78052 and 78072 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78052 and 78072. First we will calculate the prime factors of 78052 and 78072.

Prime Factorization of 78052

Prime factors of 78052 are 2, 13, 19, 79. Prime factorization of 78052 in exponential form is:

78052 = 22 × 131 × 191 × 791

Prime Factorization of 78072

Prime factors of 78072 are 2, 3, 3253. Prime factorization of 78072 in exponential form is:

78072 = 23 × 31 × 32531

Now multiplying the highest exponent prime factors to calculate the LCM of 78052 and 78072.

LCM(78052,78072) = 23 × 131 × 191 × 791 × 31 × 32531
LCM(78052,78072) = 1523418936