The sum of all prime between numbers 1 and 400 (2 through 399) is 13,887.
Mutliplied two prime numbers to get 400?
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113, 127,137,139,149,151,157,163,167,173,179,181,191,193,197,199.
No.
There is only one number that equals 400. The number is 400, and it's not a prime number.
I'm sure there are more than 2 prime numbers that are 400 digits long.
The prime factors are: 2, 5
You will need to multiply six prime numbers to obtain 400: 400 = 5*5*2*2*2*2
There are no two prime numbers that would generate 400. The prime factorization of 400 is 2^4 * 5^2, which means it can be expressed as the product of two powers of primes, but not as the product of two distinct prime numbers.
307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397
400 to 500
The happy prime numbers between 300 and 400 are as follows:313, 331, 367, 379, 383, 397