What is the Least Common Multiple of 67108 and 67120?

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 67108 and 67120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67108 and 67120, than apply into the LCM equation.

GCF(67108,67120) = 4
LCM(67108,67120) = ( 67108 × 67120) / 4
LCM(67108,67120) = 4504288960 / 4
LCM(67108,67120) = 1126072240

Least Common Multiple (LCM) of 67108 and 67120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67108 and 67120. First we will calculate the prime factors of 67108 and 67120.

Prime Factorization of 67108

Prime Factorization of 67120

Now multiplying the highest exponent prime factors to calculate the LCM of 67108 and 67120.

LCM(67108,67120) = 2⁴ × 19¹ × 883¹ × 5¹ × 839¹
LCM(67108,67120) = 1126072240