What is the Least Common Multiple of 67520 and 67524?

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 67520 and 67524 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67520 and 67524, than apply into the LCM equation.

GCF(67520,67524) = 4
LCM(67520,67524) = ( 67520 × 67524) / 4
LCM(67520,67524) = 4559220480 / 4
LCM(67520,67524) = 1139805120

Least Common Multiple (LCM) of 67520 and 67524 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67520 and 67524. First we will calculate the prime factors of 67520 and 67524.

Prime Factorization of 67520

Prime Factorization of 67524

Now multiplying the highest exponent prime factors to calculate the LCM of 67520 and 67524.

LCM(67520,67524) = 2⁶ × 5¹ × 211¹ × 3¹ × 17¹ × 331¹
LCM(67520,67524) = 1139805120