GCF and LCM Calculator Logo

What is the Least Common Multiple of 42997 and 43002?

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 42997 and 43002 is 1848956994.

LCM(42997,43002) = 1848956994

LCM Calculator and
and

Least Common Multiple of 42997 and 43002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42997 and 43002, than apply into the LCM equation.

GCF(42997,43002) = 1
LCM(42997,43002) = ( 42997 × 43002) / 1
LCM(42997,43002) = 1848956994 / 1
LCM(42997,43002) = 1848956994

Least Common Multiple (LCM) of 42997 and 43002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42997 and 43002. First we will calculate the prime factors of 42997 and 43002.

Prime Factorization of 42997

Prime factors of 42997 are 19, 31, 73. Prime factorization of 42997 in exponential form is:

42997 = 191 × 311 × 731

Prime Factorization of 43002

Prime factors of 43002 are 2, 3, 2389. Prime factorization of 43002 in exponential form is:

43002 = 21 × 32 × 23891

Now multiplying the highest exponent prime factors to calculate the LCM of 42997 and 43002.

LCM(42997,43002) = 191 × 311 × 731 × 21 × 32 × 23891
LCM(42997,43002) = 1848956994