### Some New Odd prime Graphs

#### Abstract

from V to f1; 3; 5; ::::; 2jV j - 1g for each edge uv in G the greatest

common divisor of the labels of end vertices (f(u); f(v)) is one. In

this paper we investigate the existence of odd prime labeling of some

new classes of graphs and we prove that the graphs such as the Z -Pn

graph, Fish graph, Umbrella graph, Cocount tree , F-tree, Y -tree and

Double Sunflower graph are odd prime graphs.

#### Keywords

#### Full Text:

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DOI: http://dx.doi.org/10.23755/rm.v46i0.1057

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