What is the Least Common Multiple of 87991 and 87995?

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 87991 and 87995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87991 and 87995, than apply into the LCM equation.

GCF(87991,87995) = 1
LCM(87991,87995) = ( 87991 × 87995) / 1
LCM(87991,87995) = 7742768045 / 1
LCM(87991,87995) = 7742768045

Least Common Multiple (LCM) of 87991 and 87995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87991 and 87995. First we will calculate the prime factors of 87991 and 87995.

Prime Factorization of 87991

Prime Factorization of 87995

Now multiplying the highest exponent prime factors to calculate the LCM of 87991 and 87995.

LCM(87991,87995) = 87991¹ × 5¹ × 17599¹
LCM(87991,87995) = 7742768045