Good question. Most of us probably came to our Savior through prayers of a believer. Also of course the prayers of our brother Christ.
The Bible is rich with such request. These are a few.
Philippians 2:3-4
Do nothing from selfishness or empty conceit, but with humility of mind regard one another as more important than yourselves; do not merely look out for your own personal interests, but also for the interests of others.
Deuteronomy 9:18-19
"I fell down before the LORD, as at the first, forty days and nights; I neither ate bread nor drank water, because of all your sin which you had committed in doing what was evil in the sight of the LORD to provoke Him to anger. "For I was afraid of the anger and hot displeasure with which the LORD was wrathful against you in order to destroy you, but the LORD listened to me that time also.
Exodus 34:9
He said, "If now I have found favor in Your sight, O Lord, I pray, let the Lord go along in our midst, even though the people are so obstinate, and pardon our iniquity and our sin, and take us as Your own possession."
Job 42:10
The LORD restored the fortunes of Job when he prayed for his friends, and the LORD increased all that Job had twofold.
Jeremiah 7:16
"As for you, do not pray for this people, and do not lift up cry or prayer for them, and do not intercede with Me; for I do not hear you.
Isaiah 53:12 Therefore, I will allot Him a portion with the great, And He will divide the booty with the strong; Because He poured out Himself to death, And was numbered with the transgressors; Yet He Himself bore the sin of many, And interceded for the transgressors.
Hebrews 7:25
Therefore He is able also to save forever those who draw near to God through Him, since He always lives to make intercession for them.
1 John 2:1
My little children, I am writing these things to you so that you may not sin And if anyone sins, we have an Advocate with the Father, Jesus Christ the righteous;
Romans 8:26-27
The Spirit also helps our weakness; for we do not know how to pray as we should, but the Spirit Himself intercedes for us with groanings too deep for words; and He who searches the hearts knows what the mind of the Spirit is, because He intercedes for the saints according to the will of God.
Matthew 5:44
"But I say to you, love your enemies and pray for those who persecute you,
Luke 6:28
bless those who curse you, pray for those who mistreat you.
Luke 23:34
But Jesus was saying, "Father, forgive them; for they do not know what they are doing " And they cast lots, dividing up His garments among themselves.
Acts 7:60
Then falling on his knees, he cried out with a loud voice, "Lord, do not hold this sin against them!" Having said this, he fell asleep.
1 Timothy 2:1-2
I urge that entreaties and prayers, petitions and thanksgivings, be made on behalf of all men, for kings and all who are in authority, so that we may lead a tranquil and quiet life in all godliness and dignity.