GCF and LCM Calculator Logo

What is the Least Common Multiple of 85629 and 85640?

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 (LCM) of 85629 and 85640 is 7333267560.

LCM(85629,85640) = 7333267560

LCM Calculator and
and

Least Common Multiple of 85629 and 85640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85629 and 85640, than apply into the LCM equation.

GCF(85629,85640) = 1
LCM(85629,85640) = ( 85629 × 85640) / 1
LCM(85629,85640) = 7333267560 / 1
LCM(85629,85640) = 7333267560

Least Common Multiple (LCM) of 85629 and 85640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85629 and 85640. First we will calculate the prime factors of 85629 and 85640.

Prime Factorization of 85629

Prime factors of 85629 are 3, 17, 23, 73. Prime factorization of 85629 in exponential form is:

85629 = 31 × 171 × 231 × 731

Prime Factorization of 85640

Prime factors of 85640 are 2, 5, 2141. Prime factorization of 85640 in exponential form is:

85640 = 23 × 51 × 21411

Now multiplying the highest exponent prime factors to calculate the LCM of 85629 and 85640.

LCM(85629,85640) = 31 × 171 × 231 × 731 × 23 × 51 × 21411
LCM(85629,85640) = 7333267560