GCF and LCM Calculator Logo

What is the Least Common Multiple of 42229 and 42247?

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 42229 and 42247 is 1784048563.

LCM(42229,42247) = 1784048563

LCM Calculator and
and

Least Common Multiple of 42229 and 42247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42229 and 42247, than apply into the LCM equation.

GCF(42229,42247) = 1
LCM(42229,42247) = ( 42229 × 42247) / 1
LCM(42229,42247) = 1784048563 / 1
LCM(42229,42247) = 1784048563

Least Common Multiple (LCM) of 42229 and 42247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42229 and 42247. First we will calculate the prime factors of 42229 and 42247.

Prime Factorization of 42229

Prime factors of 42229 are 11, 349. Prime factorization of 42229 in exponential form is:

42229 = 112 × 3491

Prime Factorization of 42247

Prime factors of 42247 are 83, 509. Prime factorization of 42247 in exponential form is:

42247 = 831 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 42229 and 42247.

LCM(42229,42247) = 112 × 3491 × 831 × 5091
LCM(42229,42247) = 1784048563