What is the Least Common Multiple of 78542 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 of 78542 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 78542 and 78562, than apply into the LCM equation.

GCF(78542,78562) = 2
LCM(78542,78562) = ( 78542 × 78562) / 2
LCM(78542,78562) = 6170416604 / 2
LCM(78542,78562) = 3085208302

Least Common Multiple (LCM) of 78542 and 78562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78542 and 78562. First we will calculate the prime factors of 78542 and 78562.

Prime Factorization of 78542

Prime Factorization of 78562

Now multiplying the highest exponent prime factors to calculate the LCM of 78542 and 78562.

LCM(78542,78562) = 2¹ × 173¹ × 227¹ × 11¹ × 3571¹
LCM(78542,78562) = 3085208302