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· mod-4
Modular Arithmetic · Simultaneous congruences
AMC 10 style
●●●○○ 6/10
~4 min
⏱ 0:00
What is the smallest positive integer
x
x
x
with
x
≡
2
(
m
o
d
5
)
x \equiv 2 \pmod 5
x
≡
2
(
mod
5
)
and
x
≡
3
(
m
o
d
7
)
x \equiv 3 \pmod 7
x
≡
3
(
mod
7
)
?
crt
congruences
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Hint 1 of 3
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