What is the Least Common Multiple of 64240 and 64246?

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 64240 and 64246 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64240 and 64246, than apply into the LCM equation.

GCF(64240,64246) = 2
LCM(64240,64246) = ( 64240 × 64246) / 2
LCM(64240,64246) = 4127163040 / 2
LCM(64240,64246) = 2063581520

Least Common Multiple (LCM) of 64240 and 64246 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64240 and 64246. First we will calculate the prime factors of 64240 and 64246.

Prime Factorization of 64240

Prime Factorization of 64246

Now multiplying the highest exponent prime factors to calculate the LCM of 64240 and 64246.

LCM(64240,64246) = 2⁴ × 5¹ × 11¹ × 73¹ × 7¹ × 13¹ × 353¹
LCM(64240,64246) = 2063581520