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What is the Least Common Multiple of 7455 and 7469?

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 7455 and 7469 is 7954485.

LCM(7455,7469) = 7954485

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Least Common Multiple of 7455 and 7469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7455 and 7469, than apply into the LCM equation.

GCF(7455,7469) = 7
LCM(7455,7469) = ( 7455 × 7469) / 7
LCM(7455,7469) = 55681395 / 7
LCM(7455,7469) = 7954485

Least Common Multiple (LCM) of 7455 and 7469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7455 and 7469. First we will calculate the prime factors of 7455 and 7469.

Prime Factorization of 7455

Prime factors of 7455 are 3, 5, 7, 71. Prime factorization of 7455 in exponential form is:

7455 = 31 × 51 × 71 × 711

Prime Factorization of 7469

Prime factors of 7469 are 7, 11, 97. Prime factorization of 7469 in exponential form is:

7469 = 71 × 111 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 7455 and 7469.

LCM(7455,7469) = 31 × 51 × 71 × 711 × 111 × 971
LCM(7455,7469) = 7954485