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What is the Least Common Multiple of 78553 and 78562?

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 78553 and 78562 is 6171280786.

LCM(78553,78562) = 6171280786

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Least Common Multiple of 78553 and 78562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78553 and 78562, than apply into the LCM equation.

GCF(78553,78562) = 1
LCM(78553,78562) = ( 78553 × 78562) / 1
LCM(78553,78562) = 6171280786 / 1
LCM(78553,78562) = 6171280786

Least Common Multiple (LCM) of 78553 and 78562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78553 and 78562. First we will calculate the prime factors of 78553 and 78562.

Prime Factorization of 78553

Prime factors of 78553 are 78553. Prime factorization of 78553 in exponential form is:

78553 = 785531

Prime Factorization of 78562

Prime factors of 78562 are 2, 11, 3571. Prime factorization of 78562 in exponential form is:

78562 = 21 × 111 × 35711

Now multiplying the highest exponent prime factors to calculate the LCM of 78553 and 78562.

LCM(78553,78562) = 785531 × 21 × 111 × 35711
LCM(78553,78562) = 6171280786