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What is the Least Common Multiple of 31901 and 31914?

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 31901 and 31914 is 1018088514.

LCM(31901,31914) = 1018088514

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Least Common Multiple of 31901 and 31914 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31901 and 31914, than apply into the LCM equation.

GCF(31901,31914) = 1
LCM(31901,31914) = ( 31901 × 31914) / 1
LCM(31901,31914) = 1018088514 / 1
LCM(31901,31914) = 1018088514

Least Common Multiple (LCM) of 31901 and 31914 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31901 and 31914. First we will calculate the prime factors of 31901 and 31914.

Prime Factorization of 31901

Prime factors of 31901 are 19, 23, 73. Prime factorization of 31901 in exponential form is:

31901 = 191 × 231 × 731

Prime Factorization of 31914

Prime factors of 31914 are 2, 3, 197. Prime factorization of 31914 in exponential form is:

31914 = 21 × 34 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 31901 and 31914.

LCM(31901,31914) = 191 × 231 × 731 × 21 × 34 × 1971
LCM(31901,31914) = 1018088514