What is the Least Common Multiple of 49980 and 49988?

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 49980 and 49988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49980 and 49988, than apply into the LCM equation.

GCF(49980,49988) = 4
LCM(49980,49988) = ( 49980 × 49988) / 4
LCM(49980,49988) = 2498400240 / 4
LCM(49980,49988) = 624600060

Least Common Multiple (LCM) of 49980 and 49988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49980 and 49988. First we will calculate the prime factors of 49980 and 49988.

Prime Factorization of 49980

Prime Factorization of 49988

Now multiplying the highest exponent prime factors to calculate the LCM of 49980 and 49988.

LCM(49980,49988) = 2² × 3¹ × 5¹ × 7² × 17¹ × 12497¹
LCM(49980,49988) = 624600060