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What is the Least Common Multiple of 42693 and 42698?

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 42693 and 42698 is 1822905714.

LCM(42693,42698) = 1822905714

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Least Common Multiple of 42693 and 42698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42693 and 42698, than apply into the LCM equation.

GCF(42693,42698) = 1
LCM(42693,42698) = ( 42693 × 42698) / 1
LCM(42693,42698) = 1822905714 / 1
LCM(42693,42698) = 1822905714

Least Common Multiple (LCM) of 42693 and 42698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42693 and 42698. First we will calculate the prime factors of 42693 and 42698.

Prime Factorization of 42693

Prime factors of 42693 are 3, 7, 19, 107. Prime factorization of 42693 in exponential form is:

42693 = 31 × 71 × 191 × 1071

Prime Factorization of 42698

Prime factors of 42698 are 2, 37, 577. Prime factorization of 42698 in exponential form is:

42698 = 21 × 371 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 42693 and 42698.

LCM(42693,42698) = 31 × 71 × 191 × 1071 × 21 × 371 × 5771
LCM(42693,42698) = 1822905714