345 has eight factors: 1, 3, 5, 15, 23, 69, 115, 345.
As a product of its prime factors: 3*5*23 = 345
The factors of 345 are: 1 3 5 15 23 69 115 345.
The positive integer factors of 345 are 1, 3, 5, 15, 23, 69, 115, and 345
345/\3115....../\....5 23
The common factors of 3 and 345 are 1 and 3. 3 is the GCF.
3*5*23
There are 345 ones in 345.
345 is a composite number because it has more than two factors
345 235
factors: 1, 3, 5, 15, 23, 69, 115, 345prime factors: 3, 5, 23
Prime factors of 90 are 2 x 3 x 3 x 5Prime factors of 345 are 3 x 23 x 5The prime factors common to 90 and 345 are 3 x 5, so 15 is the gcf of 90 and 345.
By any of its factors including itself