GCF and LCM Calculator Logo

What is the Least Common Multiple of 42453 and 42469?

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 42453 and 42469 is 1802936457.

LCM(42453,42469) = 1802936457

LCM Calculator and
and

Least Common Multiple of 42453 and 42469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42453 and 42469, than apply into the LCM equation.

GCF(42453,42469) = 1
LCM(42453,42469) = ( 42453 × 42469) / 1
LCM(42453,42469) = 1802936457 / 1
LCM(42453,42469) = 1802936457

Least Common Multiple (LCM) of 42453 and 42469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42453 and 42469. First we will calculate the prime factors of 42453 and 42469.

Prime Factorization of 42453

Prime factors of 42453 are 3, 53, 89. Prime factorization of 42453 in exponential form is:

42453 = 32 × 531 × 891

Prime Factorization of 42469

Prime factors of 42469 are 7, 6067. Prime factorization of 42469 in exponential form is:

42469 = 71 × 60671

Now multiplying the highest exponent prime factors to calculate the LCM of 42453 and 42469.

LCM(42453,42469) = 32 × 531 × 891 × 71 × 60671
LCM(42453,42469) = 1802936457