1000以内的正整数,不是2、3、5的倍数的数有266个
1,7,11,13,17,19,23,29,31,37,41,43,47,49,53,59,61,67,71,73,77,79,83,89,91,97,101,103,107,109,113,119,121,127,131,133,137,139,143,149,151,157,161,163,167,169,173,179,181,187,191,193,197,199,203,209,211,217,221,223,227,229,233,239,241,247,251,253,257,259,263,269,271,277,281,283,287,289,293,299,301,307,311,313,317,319,323,329,331,337,341,343,347,349,353,359,361,367,371,373,377,379,383,389,391,397,401,403,407,409,413,419,421,427,431,433,437,439,443,449,451,457,461,463,467,469,473,479,481,487,491,493,497,499,503,509,511,517,521,523,527,529,533,539,541,547,551,553,557,559,563,569,571,577,581,583,587,589,593,599,601,607,611,613,617,619,623,629,631,637,641,643,647,649,653,659,661,667,671,673,677,679,683,689,691,697,701,703,707,709,713,719,721,727,731,733,737,739,743,749,751,757,761,763,767,769,773,779,781,787,791,793,797,799,803,809,811,817,821,823,827,829,833,839,841,847,851,853,857,859,863,869,871,877,881,883,887,889,893,899,901,907,911,913,917,919,923,929,931,937,941,943,947,949,953,959,961,967,971,973,977,979,983,989,991,997