2 3 5 5 is a composite number July 8, 2019 16 32 64 128 2 3 5 7 7 is a composite number Explain why 2 x 3 x 5 5 is a composite number Explain why 5 2 3 5 7 is a composite number Explain why 2 3 5 5 and 5 7 11 7 5 is a composite number 2 + 3 + 4 + 5 + 6 2/3 + 3/5 2/5 + 3/10 2 x 2 5