GCF and LCM Calculator Logo

What is the Least Common Multiple of 87980 and 87997?

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 87980 and 87997 is 7741976060.

LCM(87980,87997) = 7741976060

LCM Calculator and
and

Least Common Multiple of 87980 and 87997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87980 and 87997, than apply into the LCM equation.

GCF(87980,87997) = 1
LCM(87980,87997) = ( 87980 × 87997) / 1
LCM(87980,87997) = 7741976060 / 1
LCM(87980,87997) = 7741976060

Least Common Multiple (LCM) of 87980 and 87997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87980 and 87997. First we will calculate the prime factors of 87980 and 87997.

Prime Factorization of 87980

Prime factors of 87980 are 2, 5, 53, 83. Prime factorization of 87980 in exponential form is:

87980 = 22 × 51 × 531 × 831

Prime Factorization of 87997

Prime factors of 87997 are 7, 13, 967. Prime factorization of 87997 in exponential form is:

87997 = 71 × 131 × 9671

Now multiplying the highest exponent prime factors to calculate the LCM of 87980 and 87997.

LCM(87980,87997) = 22 × 51 × 531 × 831 × 71 × 131 × 9671
LCM(87980,87997) = 7741976060