What is the Least Common Multiple of 91990 and 92002?

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 91990 and 92002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91990 and 92002, than apply into the LCM equation.

GCF(91990,92002) = 2
LCM(91990,92002) = ( 91990 × 92002) / 2
LCM(91990,92002) = 8463263980 / 2
LCM(91990,92002) = 4231631990

Least Common Multiple (LCM) of 91990 and 92002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91990 and 92002. First we will calculate the prime factors of 91990 and 92002.

Prime Factorization of 91990

Prime Factorization of 92002

Now multiplying the highest exponent prime factors to calculate the LCM of 91990 and 92002.

LCM(91990,92002) = 2¹ × 5¹ × 9199¹ × 157¹ × 293¹
LCM(91990,92002) = 4231631990