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What is the Least Common Multiple of 31207 and 31225?

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 31207 and 31225 is 974438575.

LCM(31207,31225) = 974438575

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Least Common Multiple of 31207 and 31225 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31207 and 31225, than apply into the LCM equation.

GCF(31207,31225) = 1
LCM(31207,31225) = ( 31207 × 31225) / 1
LCM(31207,31225) = 974438575 / 1
LCM(31207,31225) = 974438575

Least Common Multiple (LCM) of 31207 and 31225 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31207 and 31225. First we will calculate the prime factors of 31207 and 31225.

Prime Factorization of 31207

Prime factors of 31207 are 11, 2837. Prime factorization of 31207 in exponential form is:

31207 = 111 × 28371

Prime Factorization of 31225

Prime factors of 31225 are 5, 1249. Prime factorization of 31225 in exponential form is:

31225 = 52 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 31207 and 31225.

LCM(31207,31225) = 111 × 28371 × 52 × 12491
LCM(31207,31225) = 974438575