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What is the Least Common Multiple of 1235 and 1252?

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 1235 and 1252 is 1546220.

LCM(1235,1252) = 1546220

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Least Common Multiple of 1235 and 1252 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1235 and 1252, than apply into the LCM equation.

GCF(1235,1252) = 1
LCM(1235,1252) = ( 1235 × 1252) / 1
LCM(1235,1252) = 1546220 / 1
LCM(1235,1252) = 1546220

Least Common Multiple (LCM) of 1235 and 1252 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1235 and 1252. First we will calculate the prime factors of 1235 and 1252.

Prime Factorization of 1235

Prime factors of 1235 are 5, 13, 19. Prime factorization of 1235 in exponential form is:

1235 = 51 × 131 × 191

Prime Factorization of 1252

Prime factors of 1252 are 2, 313. Prime factorization of 1252 in exponential form is:

1252 = 22 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 1235 and 1252.

LCM(1235,1252) = 51 × 131 × 191 × 22 × 3131
LCM(1235,1252) = 1546220