13 x 31 = 403
13*31=403 13 and 31 are prime numbers.
403 is composite. It can be evenly divided by 13: 403/13 = 31.
Other than 1, these two numbers have no other factors in common. They are thus said to be co-prime or relatively prime to each other. 403 = 13 x 31 192 = 26 x 3
403 and 402 are co prime, because their only common factor is 1.
The positive integer factors of 403 are: 1, 13, 31, 403
Any of its factors which are 1, 13, 31 and itself 403
403
403
Prime factors are factors that are also prime numbers.
13 x 31
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