What is the Least Common Multiple of 63984 and 63988?

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 63984 and 63988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63984 and 63988, than apply into the LCM equation.

GCF(63984,63988) = 4
LCM(63984,63988) = ( 63984 × 63988) / 4
LCM(63984,63988) = 4094208192 / 4
LCM(63984,63988) = 1023552048

Least Common Multiple (LCM) of 63984 and 63988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63984 and 63988. First we will calculate the prime factors of 63984 and 63988.

Prime Factorization of 63984

Prime Factorization of 63988

Now multiplying the highest exponent prime factors to calculate the LCM of 63984 and 63988.

LCM(63984,63988) = 2⁴ × 3¹ × 31¹ × 43¹ × 17¹ × 941¹
LCM(63984,63988) = 1023552048