What is the Least Common Multiple of 77656 and 77672?

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 77656 and 77672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77656 and 77672, than apply into the LCM equation.

GCF(77656,77672) = 8
LCM(77656,77672) = ( 77656 × 77672) / 8
LCM(77656,77672) = 6031696832 / 8
LCM(77656,77672) = 753962104

Least Common Multiple (LCM) of 77656 and 77672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77656 and 77672. First we will calculate the prime factors of 77656 and 77672.

Prime Factorization of 77656

Prime Factorization of 77672

Now multiplying the highest exponent prime factors to calculate the LCM of 77656 and 77672.

LCM(77656,77672) = 2³ × 17¹ × 571¹ × 7¹ × 19¹ × 73¹
LCM(77656,77672) = 753962104