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What is the Least Common Multiple of 31122 and 31127?

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 31122 and 31127 is 968734494.

LCM(31122,31127) = 968734494

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Least Common Multiple of 31122 and 31127 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31122 and 31127, than apply into the LCM equation.

GCF(31122,31127) = 1
LCM(31122,31127) = ( 31122 × 31127) / 1
LCM(31122,31127) = 968734494 / 1
LCM(31122,31127) = 968734494

Least Common Multiple (LCM) of 31122 and 31127 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31122 and 31127. First we will calculate the prime factors of 31122 and 31127.

Prime Factorization of 31122

Prime factors of 31122 are 2, 3, 7, 13, 19. Prime factorization of 31122 in exponential form is:

31122 = 21 × 32 × 71 × 131 × 191

Prime Factorization of 31127

Prime factors of 31127 are 17, 1831. Prime factorization of 31127 in exponential form is:

31127 = 171 × 18311

Now multiplying the highest exponent prime factors to calculate the LCM of 31122 and 31127.

LCM(31122,31127) = 21 × 32 × 71 × 131 × 191 × 171 × 18311
LCM(31122,31127) = 968734494