What is the Least Common Multiple of 99990 and 99994?
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 99990 and 99994 is 4999200030.
LCM(99990,99994) = 4999200030
Least Common Multiple of 99990 and 99994 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99990 and 99994, than apply into the LCM equation.
GCF(99990,99994) = 2
LCM(99990,99994) = ( 99990 × 99994) / 2
LCM(99990,99994) = 9998400060 / 2
LCM(99990,99994) = 4999200030
Least Common Multiple (LCM) of 99990 and 99994 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 99990 and 99994. First we will calculate the prime factors of 99990 and 99994.
Prime Factorization of 99990
Prime factors of 99990 are 2, 3, 5, 11, 101. Prime factorization of 99990 in exponential form is:
99990 = 21 × 32 × 51 × 111 × 1011
Prime Factorization of 99994
Prime factors of 99994 are 2, 17, 173. Prime factorization of 99994 in exponential form is:
99994 = 21 × 172 × 1731
Now multiplying the highest exponent prime factors to calculate the LCM of 99990 and 99994.
LCM(99990,99994) = 21 × 32 × 51 × 111 × 1011 × 172 × 1731
LCM(99990,99994) = 4999200030