how many prime numbers between 300 to 500
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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
Total 33
bbkivines:
how to find it fast
what
prime no..
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.
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.
bt how to find in fast way
plz mark it as brainliest
these r 2 tips
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