Các câu hỏi tương tự
so tu nhien n lon nhat co dung 30 uoc so va khi phan tich thanh thua so nguyen to thi co danh n = 2^x . 3^y trong do y +x =8
Tim n thuoc N biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x+y =8
Tim n thuoc N , biet so n co 30 uoc va khi phan tich thanh thua so nguyen to thi co dang n = 2^x × 3^y biet x + y = 8
Tim so tu nhien a biet rang so a co 12 uoc va khi viet a ve dang tich cac thua so nguyen to thi A=5x.7y
tim so tu nhien n chi co 2 thua so nguyen to biet rang n^2 co 21 uoc so hoi n^3 co bao nhieu uoc so
Cho a la mot hop so.biet khi phan tich ra thua so nguyen to thi a chi chua 2 thua so nguyen to la p1 va p2. Biet a mu 3 co tat ca 40 uoc tu nhien.
Hoi a mu 2 co bao nhieu uoc tu nhien.
Ai giai nhanh minh tick.giai ra nhe
tim so tu nhien co bon chu so biet rang so do co the phan tich thamh tich cua hai thua so co tong bang 100 va mot trong hai thua so ay co dang a^a
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so do 78;70
3)tim hai so tu nhien lien tiep co tich bang 1190
a, tim so tu nhien trong khoang tu 100 den 300 biet rang so do chia cho 4 cho 5 cho 6 deu du 2 nhung so do lai chia het cho 11
b, dung ba chu so 1 ; 2 ; 3 hay viet tat ca cac so tu n hien co ba chu so ma cac chu so khac nhau , chung to rang tat ca cac so tu nhien do dau la hop so
c, tim so tu nhien nho nhat cho bon chu so giong nhau biet rang so do co dung ba uoc deu la o nguyen to