n, p = map(int, input().split())
pcnt = 0
pnow = p
while pnow <= n:
    pcnt += n // pnow
    pnow *= p
mod = 10 ** 9 + 7

def bikkuri_pre(n):
    global bikkuri, irukkib
    bikkuri = [1]
    irukkib = [1]
    for i in range(1, n + 1):
        bikkuri.append((bikkuri[-1] * i) % mod)
    for i in range(1, n + 1):
        irukkib.append(pow(bikkuri[i], mod - 2, mod))

bikkuri_pre(n)
print(pcnt * pow(bikkuri[n], bikkuri[n], mod) % mod)