Math, asked by bbkivines, 1 year ago

how many prime numbers between 300 to 500

Answers

Answered by JUSTINP

307 311 313 317 331 337 347 349 353 359 367 373 379 383 389 397 401 409 419 421 431 433 439 443 449 457 461 463 467 479 487 491 499...
Total 33

bbkivines: how to find it fast

JUSTINP: what

JUSTINP: prime no..

JUSTINP: If a number ends in 0, 2, 4, 5, 6 or 8 then it's not prime (except for 2 and 5)
If the sum of the digits is a multiple of 3, then the number is not prime (except for 3)
Those two rules knock about nearly 75% of numbers.

bbkivines: bt how to find in fast way

JUSTINP: plz mark it as brainliest

JUSTINP: these r 2 tips

Previous Question

Next Question