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Every prime number p divides a Fibonacci number that can be determined by the value of p modulo 5. If p is congruent to 1 or 4 modulo 5, then p divides F p−1, and if p is congruent to 2 or 3 modulo 5, then, p divides F p+1. The remaining case is that p = 5, and in this case p divides F p.
14 nahco 3 + 5 ca(h 2 po 4) 2 → 14 co 2 + ca 5 (po 4) 3 oh + 7 na 2 hpo 4 + 13 h 2 o Monocalcium phosphate ("MCP") is a common acid component in domestic baking powders. A typical formulation (by weight) could call for 30% sodium bicarbonate, 5–12% monocalcium phosphate , and 21–26% sodium aluminium sulfate .