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What is the Least Common Multiple of 78552 and 78568?

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 78552 and 78568 is 771459192.

LCM(78552,78568) = 771459192

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Least Common Multiple of 78552 and 78568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78552 and 78568, than apply into the LCM equation.

GCF(78552,78568) = 8
LCM(78552,78568) = ( 78552 × 78568) / 8
LCM(78552,78568) = 6171673536 / 8
LCM(78552,78568) = 771459192

Least Common Multiple (LCM) of 78552 and 78568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78552 and 78568. First we will calculate the prime factors of 78552 and 78568.

Prime Factorization of 78552

Prime factors of 78552 are 2, 3, 1091. Prime factorization of 78552 in exponential form is:

78552 = 23 × 32 × 10911

Prime Factorization of 78568

Prime factors of 78568 are 2, 7, 23, 61. Prime factorization of 78568 in exponential form is:

78568 = 23 × 71 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 78552 and 78568.

LCM(78552,78568) = 23 × 32 × 10911 × 71 × 231 × 611
LCM(78552,78568) = 771459192