RNG challenge

Generated values: 7832599722117732237, 8581911767738425408, 2654694202698387954

Guess next one?

Source code:

import random


class prng_lcg:
    a = 672257317069504227
    c = 7382843889490547368
    m = 9223372036854775783

    def __init__(self, seed):
        self.state = seed

    def next(self):
        self.state = (self.state * self.a + self.c) % self.m
        return self.state


def generate():
    rng = prng_lcg(random.randint(1, 2**63))
    return [rng.next() for _ in range(3)]