GCF and LCM Calculator Logo

What is the Least Common Multiple of 42431 and 42450?

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 42431 and 42450 is 1801195950.

LCM(42431,42450) = 1801195950

LCM Calculator and
and

Least Common Multiple of 42431 and 42450 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42431 and 42450, than apply into the LCM equation.

GCF(42431,42450) = 1
LCM(42431,42450) = ( 42431 × 42450) / 1
LCM(42431,42450) = 1801195950 / 1
LCM(42431,42450) = 1801195950

Least Common Multiple (LCM) of 42431 and 42450 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42431 and 42450. First we will calculate the prime factors of 42431 and 42450.

Prime Factorization of 42431

Prime factors of 42431 are 151, 281. Prime factorization of 42431 in exponential form is:

42431 = 1511 × 2811

Prime Factorization of 42450

Prime factors of 42450 are 2, 3, 5, 283. Prime factorization of 42450 in exponential form is:

42450 = 21 × 31 × 52 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 42431 and 42450.

LCM(42431,42450) = 1511 × 2811 × 21 × 31 × 52 × 2831
LCM(42431,42450) = 1801195950