What is the Least Common Multiple of 64940 and 64955?

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 64940 and 64955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64940 and 64955, than apply into the LCM equation.

GCF(64940,64955) = 5
LCM(64940,64955) = ( 64940 × 64955) / 5
LCM(64940,64955) = 4218177700 / 5
LCM(64940,64955) = 843635540

Least Common Multiple (LCM) of 64940 and 64955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64940 and 64955. First we will calculate the prime factors of 64940 and 64955.

Prime Factorization of 64940

Prime Factorization of 64955

Now multiplying the highest exponent prime factors to calculate the LCM of 64940 and 64955.

LCM(64940,64955) = 2² × 5¹ × 17¹ × 191¹ × 11¹ × 1181¹
LCM(64940,64955) = 843635540