2 Corinthians 1:11

by the help of your prayer for us: That by the means of many occasions, thanks may be given of many on our behalf, for the grace given unto us.

Philippians 1:19

For I know that this shall chance to my salvation, through your prayer, and ministering of the spirit of Jesus Christ,

2 Corinthians 4:15

for all things I do for your sakes, that the plenteous grace by thanks given of many, may redound to the praise of God.

Acts 12:5

Then was Peter kept in prison. But prayer was made without ceasing of the congregation unto God for him.

2 Corinthians 9:11-12

ye may be made rich in all singleness, which causeth through us, thanksgiving unto God.

Isaiah 37:4

The LORD thy God, no doubt, hath well considered the words of Rabshakeh, whom his lord the king of the Assyrians hath sent, to defy and blaspheme the living God: with such words as the LORD thy God hath heard right well. And therefore lift up thy prayer for the remnant that yet are left.'"

Isaiah 62:6-7

Upon the walls of Jerusalem, I have set keepers which shall never cease, neither by day nor yet by night.

Romans 15:30-32

I beseech you brethren for our Lord Jesus Christ's sake, and for the love of the spirit, that ye help me in my business, with your prayers to God for me,

2 Corinthians 9:14

And in their prayers to God for you, long after you, for the abundant grace of God given unto you.

Ephesians 6:18-19

and pray always with all manner prayer and supplication - and that in the spirit - and watch thereunto with all instance and supplication for all saints,

Colossians 4:3

praying also for us, that God open unto us the door of utterance, that we may speak the mystery of Christ - wherefore I am in bonds -

1 Thessalonians 5:25

Brethren, pray for us.

2 Thessalonians 3:1

Furthermore, brethren, pray for us, that the word of God may have free passage, and be glorified, as it is with you:

Hebrews 13:18

Pray for us. We have confidence because we have a good conscience in all things, and desire to live honestly.

James 5:16-18

Knowledge your faults one to another: and pray one for another, that ye may be healed. The prayer of a righteous man availeth much, if it be fervent.

Treasury of Scripture Knowledge

Summary

Ye also helping together by prayer for us, that for the gift bestowed upon us by the means of many persons thanks may be given by many on our behalf.

Bible References

Helping

2 Corinthians 9:14
And in their prayers to God for you, long after you, for the abundant grace of God given unto you.
Isaiah 37:4
The LORD thy God, no doubt, hath well considered the words of Rabshakeh, whom his lord the king of the Assyrians hath sent, to defy and blaspheme the living God: with such words as the LORD thy God hath heard right well. And therefore lift up thy prayer for the remnant that yet are left.'"
Isaiah 62:6
Upon the walls of Jerusalem, I have set keepers which shall never cease, neither by day nor yet by night.
Acts 12:5
Then was Peter kept in prison. But prayer was made without ceasing of the congregation unto God for him.
Romans 15:30
I beseech you brethren for our Lord Jesus Christ's sake, and for the love of the spirit, that ye help me in my business, with your prayers to God for me,
Ephesians 6:18
and pray always with all manner prayer and supplication - and that in the spirit - and watch thereunto with all instance and supplication for all saints,
Philippians 1:19
For I know that this shall chance to my salvation, through your prayer, and ministering of the spirit of Jesus Christ,
Colossians 4:3
praying also for us, that God open unto us the door of utterance, that we may speak the mystery of Christ - wherefore I am in bonds -
1 Thessalonians 5:25
Brethren, pray for us.
2 Thessalonians 3:1
Furthermore, brethren, pray for us, that the word of God may have free passage, and be glorified, as it is with you:
Philemon 1:22
Moreover, prepare me lodging: for I trust through the help of your prayers, I shall be given unto you.
Hebrews 13:18
Pray for us. We have confidence because we have a good conscience in all things, and desire to live honestly.
James 5:16
Knowledge your faults one to another: and pray one for another, that ye may be healed. The prayer of a righteous man availeth much, if it be fervent.

General references

1 Corinthians 12:22
Yea, rather a great deal those members of the body which seem to be most feeble, are most necessary.
1 Thessalonians 5:25
Brethren, pray for us.