【實用工具app】Is It a Prime?(Primality Test)|最夯免費app

You never know when you need to check if a number is a prime number or not!

This handy app can tell you if any number is prime.

It can calculate the primality of a number as big as you want, the limit is the sky!

Try it, here is a list of the 100 first prime numbers:

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, 131, 137, 139, 149, 151, 157, 163, 167, 173

179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281

283, 293, 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, 503, 509, 521, 523, 541

You can also try bigger numbers. However for very big numbers, it may take time to calculate their primality!

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免費玩Is It a Prime?(Primality Test) App

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