# What is the Least Common Multiple of 62 and 69?

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 62 and 69 is 4278.

LCM(62,69) = 4278

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## Least Common Multiple of 62 and 69 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 62 and 69, than apply into the LCM equation.

GCF(62,69) = 1
LCM(62,69) = ( 62 × 69) / 1
LCM(62,69) = 4278 / 1
LCM(62,69) = 4278

## Least Common Multiple (LCM) of 62 and 69 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 62 and 69. First we will calculate the prime factors of 62 and 69.

### Prime Factorization of 62

Prime factors of 62 are 2, 31. Prime factorization of 62 in exponential form is:

62 = 21 × 311

### Prime Factorization of 69

Prime factors of 69 are 3, 23. Prime factorization of 69 in exponential form is:

69 = 31 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 62 and 69.

LCM(62,69) = 21 × 311 × 31 × 231
LCM(62,69) = 4278