What is the Least Common Multiple of 68240 and 68253?

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 68240 and 68253 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68240 and 68253, than apply into the LCM equation.

GCF(68240,68253) = 1
LCM(68240,68253) = ( 68240 × 68253) / 1
LCM(68240,68253) = 4657584720 / 1
LCM(68240,68253) = 4657584720

Least Common Multiple (LCM) of 68240 and 68253 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68240 and 68253. First we will calculate the prime factors of 68240 and 68253.

Prime Factorization of 68240

Prime Factorization of 68253

Now multiplying the highest exponent prime factors to calculate the LCM of 68240 and 68253.

LCM(68240,68253) = 2⁴ × 5¹ × 853¹ × 3¹ × 22751¹
LCM(68240,68253) = 4657584720