The problem is not much research that shows whether prayer has a positive or negative effect on marital conflict; and which type of prayer is better at combatting marital conflict. The purpose of this quantitative study is to unveil the independent variables (IVs): religious strategies and prayer types that interact positively with the dependent variable (DV), marital conflict, in decreasing the marital conflict with heterosexual couples. The researcher created one survey to include questions from the Behavioral Religiosity Scale, Kansas Marital Conflict Scale, Poloma and Pendleton’s Prayer Types, and Prayer for Partner Measure for participants to answer. A sample size of 108 participants was determined by inputting the estimated effect size (Cohen’s f = 0.15), alpha level (α = .05), and power (.90 confidence interval (CI)). The researcher performed MLR to answer the research questions and confirm the hypotheses. The results revealed prayer had a more significant effect. A specific prayer type was revealed to have a more positive effect. However, it was colloquial instead of PFPP as Ha2 had predicted. Lastly, no study has all the answers and with further research, more knowledge can be determined to help couples continue to decrease marital conflict.