What is the Least Common Multiple of 80980 and 80988?

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 80980 and 80988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80980 and 80988, than apply into the LCM equation.

GCF(80980,80988) = 4
LCM(80980,80988) = ( 80980 × 80988) / 4
LCM(80980,80988) = 6558408240 / 4
LCM(80980,80988) = 1639602060

Least Common Multiple (LCM) of 80980 and 80988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80980 and 80988. First we will calculate the prime factors of 80980 and 80988.

Prime Factorization of 80980

Prime Factorization of 80988

Now multiplying the highest exponent prime factors to calculate the LCM of 80980 and 80988.

LCM(80980,80988) = 2² × 5¹ × 4049¹ × 3¹ × 17¹ × 397¹
LCM(80980,80988) = 1639602060