GCF and LCM Calculator Logo

What is the Least Common Multiple of 42273 and 42291?

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 42273 and 42291 is 198640827.

LCM(42273,42291) = 198640827

LCM Calculator and
and

Least Common Multiple of 42273 and 42291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42273 and 42291, than apply into the LCM equation.

GCF(42273,42291) = 9
LCM(42273,42291) = ( 42273 × 42291) / 9
LCM(42273,42291) = 1787767443 / 9
LCM(42273,42291) = 198640827

Least Common Multiple (LCM) of 42273 and 42291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42273 and 42291. First we will calculate the prime factors of 42273 and 42291.

Prime Factorization of 42273

Prime factors of 42273 are 3, 7, 11, 61. Prime factorization of 42273 in exponential form is:

42273 = 32 × 71 × 111 × 611

Prime Factorization of 42291

Prime factors of 42291 are 3, 37, 127. Prime factorization of 42291 in exponential form is:

42291 = 32 × 371 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 42273 and 42291.

LCM(42273,42291) = 32 × 71 × 111 × 611 × 371 × 1271
LCM(42273,42291) = 198640827